Carcinogen warning marker
Latest E. I. Du Pont de Nemours and Company Patents:
Description
The FIGURE is a plan view of a carcinogen warning marker, showing my new design.
The marker is of conventional thickness, and the rear is plain.
Referenced Cited
U.S. Patent Documents
Other references
| D2670 | June 1867 | Tetlow |
| D50371 | February 1917 | Wilson |
| D55985 | August 1920 | Richelieu et al. |
| D89807 | May 1933 | Vassos |
| D137224 | February 1944 | Houghton et al. |
- Trademarks & Symbols, 1973, p. 9, Item No. 4. Trademarks & Symbols, 1973, p. 22, Item No. 97.
Patent History
Patent number: D262638
Type: Grant
Filed: Nov 14, 1979
Date of Patent: Jan 12, 1982
Assignee: E. I. Du Pont de Nemours and Company (Wilmington, DE)
Inventor: Lawrence B. Eichelberger (New Castle, DE)
Primary Examiner: George P. Word
Application Number: 6/94,283
Type: Grant
Filed: Nov 14, 1979
Date of Patent: Jan 12, 1982
Assignee: E. I. Du Pont de Nemours and Company (Wilmington, DE)
Inventor: Lawrence B. Eichelberger (New Castle, DE)
Primary Examiner: George P. Word
Application Number: 6/94,283
Classifications
Current U.S. Class:
Substantially Circular Or Oval (D20/28);
Humanoid (D20/25)
International Classification: D1908;
International Classification: D1908;
