Title:
Channel drill and bolt combination
United States Patent D260525
US Patent References:
Reamer
Blanco - May, 1927 - 1630602

DRILLING AND REAMING SCREW
Lanius - October, 1972 - 3699841

SELF-DRILLING AND THREAD-FORMING SCREW
Ringland - January, 1973 - 3710676

DRILLING AND THREAD FORMING FASTENER
Gutshall - June, 1973 - 3738218

SELF DRILLING, REAMING AND TAPPING SCREW
Siebol - June, 1973 - 3739682


Inventors:
Lassiter, Will M. (High Point, NC)
Application Number:
D/966479
Publication Date:
09/01/1981
Filing Date:
12/04/1978
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Primary Class:
D15/139
Other Classes:
D08/387, D08/388
Field of Search:
D8/387, D8/388, D8/393, D15/139, 408/199, 408/210, 408/229, 408/230, 408/226, 85/41, 85/47
US Patent References:
3884117Drilling and tapping screw formationMay, 1975Eager408/226
3982464Drilling and reamingSeptember, 1976Sygnator408/230
4028987Self-drilling screwsJune, 1977Wilson408/224
4034641Self-drilling and tapping masonry anchorJuly, 1977Williams et al.85/41
Primary Examiner:
Bullock B. J.
Claims:
1. The ornamental design for a channel drill and bolt combination, as shownand described.

Description:

FIG. 1 is a front elevational view of a channel drill and bolt combination embodying my new design; the rear being identical;

FIG. 2 is a sectional view taken along the direction of the arrows on line 2--2 of FIG. 1;

FIG. 3 is a side-elevational view taken from the right of FIG. 1, the side opposite being identical;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a top plan view thereof.