Patents in Class 401/30

Matches 1 - 26 out of 26

Match	Document	Document Title
1	7390137	Writing instrument A writing instrument comprising a smooth elongate case has a recessed switch for extending and retracting the tip of an ink cartridge. This allows the tip to be extended and retracted with one...
2	7128491	Composite writing instrument In a composite writing instrument having mounted therein a plurality of writing devices including at least one ball-point pen refill equipped with a tip of the ball-point pen at a top end and an...
3	7080949	Composite writing utensil A composite writing utensil for housing a plurality of writing members, at least one of which is a propelling pencil writing member, comprises a front shaft, a rear shaft which is rotatable...
4	7014380	Composite holding tool A composite holding tool has a space in a rear barrel to be effectively used in order to expand a range of use of one composite holding tool. The composite holding tool includes a front barrel, a...
5	7008131	Composite holding device A composite holding device, includes a casing for accommodating a plurality of holders for holding media to serve either different or similar purposes, a supporting section for supporting the...
6	6994484	Composite writing tool A composite writing tool wherein when the rear shaft is rotated relative to a front shaft, a cam sleeve rotates with the rear shaft, and the relative rotation occurring between the cam sleeve and...
7	6939069	Composite writing utensil A composite writing utensil comprising a front barrel and a rear barrel, a cam body provided within the barrel unrotatable with respect to the rear barrel, and a slider unrotatable with respect to...
8	6290413	Writing instrument A writing instrument includes a hollow barrel having a longitudinal slot defined through the barrel. The slot has two sides, and a series of continual indentations are formed in each side. A...
9	6254295	Dual-purpose pen A dual-purpose pen has a barrel, a cap engaged with the barrel, and a ball point that is extendable from the end of the barrel, and a key-pressing point that is extendable from the end of the cap....
10	6106179	Dual color lipstick in a single case A dual color lipstick in a single case including an outer tube, wherein the inside of the outer tube has a relatively oblique guide surface and an inner tube seat, wherein both sides of the inner...
11	5713680	Combined writing tool A combined writing tool comprises a cylindrical casing; a push button extended from the top end of said cylindrical casing by force of a spring; a plurality of writing cartridges arranged in the...
12	5564849	Curved writing instrument A curved ergonomic pen which facilitates writing on vertical surfaces comprises a housing having a barrel portion and a web portion. The barrel has curved inner and outer edges and substantially...
13	5026190	Dual writing element retractable pen A dual writing element retractable pen includes coaxial upper and lower barrel members, an upper cylindrical cam part being integrally formed with the upper barrel member and having a bottom cam...
14	4948285	Ball point pen with two cartridges A writing instrument in the form of a ball pen has two cartridges capable of being alternately moved into the writing position by rotating the barrel. A provision is made for a space in the top...
15	4738557	Writing device with multiple writing elements A multi-purpose writing device comprising plural writing elements, at least one of which is an automatic pencil that can be extended, can be extended to and retracted from and between the writing...
16	4533271	Writing instrument with plural implements cam actuated A writing instrument having two writing elements is described. A tubular cam is utilized together with cam followers and element holders for each writing element and associated supporting structure...
17	4270869	Composite writing instrument A composite writing instrument having a lower tubular casing accommodating therewithin two retractable mechanical pencil units spaced by about 180°. An upper tubular casing encloses a cam...
18	4080077	Multicolor writing instrument A dual refill containing variable refill positioning writing instruments utilizing cam followers attached to two refill members and oppositely threaded spiral cam grooves within which said cam...
19	3989389	Multi-color mechanical writing instrument A multi-color mechanical writing instrument which contains ink tubes or reservoirs, a rotary cam having a blocking section, an inner flange or a stopper which enables a writing tip to be pushed out...
20	3985455	Convertible writing instrument A writing instrument having a plurality of writing medium assemblies which can be separated into a plurality of writing instruments each having at least one writing medium assembly. The writing...
21	3910705	Multicolor writing instrument A rotatably mounted, cylindrical cam groove member is formed on its peripheral surface with oppositely handed, helical cam grooves. A plurality of refill carriers are reciprocable in the axial...
22	3837748	PEN A writing instrument, more specifically a pen, having a plurality of individual writing tips which can be moved to project the tips one at a time from the instrument body. This may be accomplished...
23	3816006	TWO COLOR PEN ACTION A two color pen action has inner and outer concentric cylindrical cams with first and second writing cartridge carriers disposed adjacent to each other therein, the outer cylindrical cam containing...
24	3288116	Multi-color adapted ball point pen
25	3001531	Multi-color lipstick and lip rouge applicator
26	2883968	Double ended ball point pen

Matches 1 - 26 out of 26