Combined road marker and lock-in sign
United States Patent D277738
US Patent References:
/D060293.html
Meden - January, 1922 - D060293

/D235744.html
England - July, 1975 - D235744

Traffic control marker
Bent et al. - February, 1984 - D272809

/1058881.html
Semco - February, 1967 - 1058881

Portable traffic marker
Boettler - October, 1960 - 2957444


Inventors:
Grammas, Nick G. (Plymouth, MN)
Callas, Michael T. (Edina, MN)
Application Number:
D/475079
Publication Date:
02/26/1985
Filing Date:
03/14/1983
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Assignee:
Lamba Systems, Inc. (St. Paul, MN)
Primary Class:
D10/109
Field of Search:
D10/104, D10/109.1B, D10/121, 340/114B, 340/114R, 116/63C, 40/10B, 40/152, 40/490, 40/491, 404/6, 404/9, 404/10, 404/12, 404/14, 404/16, 350/96.1, 350/99
US Patent References:
3099244Road markersJuly, 1963Knapp116/63C
3520235COLLAPSIBLE ROAD MARKERJuly, 1970Palazzolo et al.
3809007PORTABLE TRAFFIC DELINEATORMay, 1974Brown
4197808Combined road marker and interchangeable sign cardsApril, 1980Kinninger40/612
4329800Adjustable display deviceMay, 1982Shuman40/606
Primary Examiner:
Bullock B. J.
Assistant Examiner:
Gitlin, Suzanne N.
Attorney, Agent or Firm:
Burd, Bartz & Gutenkauf
Claims:
1. The ornamental design for a combined road marker and lock-in sign,substantially as shown and described.

Description:

FIG. 1 is a perspective view of a combined road marker and lock-in sign showing my new design;

FIG. 2 is a side elevational taken from the left of FIG. 1;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof.