USD178437S - Letter opener - Google Patents
Letter opener Download PDFInfo
- Publication number
- USD178437S USD178437S US D178437 S USD178437 S US D178437S
- Authority
- US
- United States
- Prior art keywords
- letter opener
- opener
- letter
- mich
- united states
- Prior art date
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- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
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Description
United States Patent 0 "me 118,431
Patented July 31, 1956 LETTER OPENER Horace L. Walborn, Jackson, Mich., assignor to Walmann Products, Battle Creek, Mich., a firm Application January 19, 1955, Serial No. 34,056
Term of patent 14 years Figure l is a perspective top view of a letter opener References Cited in the file of this patent embodying my new design.
Figure 2 is an edge view, the other edge having the UNITED STATES PATENTS same appearance, D- l 1,875 Goldbert July 31, 1945 Figure 3 is atop view, 1, 27 Mullins Sept. 15, 1953 lrtlilaim: Id f l b I] FOREIGN PATENTS e ornamenta esign or a etter opener, su stantia y as Shown and described 504,103 rm ny D56. 22, 1928 OTHER REFERENCES Modern Plastics Encyclopedia, 1948, page 1494, item D.
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