Envelope blank
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Description
The sole FIGURE is a perspective view of an envelope blank showing our new design, the opposite side being identical thereto.
Referenced Cited
U.S. Patent Documents
| 1741059 | December 1929 | Jones |
| 3214855 | November 1965 | Winkler et al. |
| 3648923 | March 1972 | Young |
Patent History
Patent number: D250590
Type: Grant
Filed: Apr 25, 1977
Date of Patent: Dec 19, 1978
Assignee: Champion International Corporation (Stamford, CT)
Inventors: Robert Cohn (Millbrae, CA), Charles M. Young (Foster City, CA)
Primary Examiner: Joel Stearman
Assistant Examiner: George P. Word
Attorney: Evelyn M. Sommer
Application Number: 5/790,451
Type: Grant
Filed: Apr 25, 1977
Date of Patent: Dec 19, 1978
Assignee: Champion International Corporation (Stamford, CT)
Inventors: Robert Cohn (Millbrae, CA), Charles M. Young (Foster City, CA)
Primary Examiner: Joel Stearman
Assistant Examiner: George P. Word
Attorney: Evelyn M. Sommer
Application Number: 5/790,451
Classifications
