USD175281S - Spectacle front - Google Patents
Spectacle front Download PDFInfo
- Publication number
- USD175281S USD175281S US D175281 S USD175281 S US D175281S
- Authority
- US
- United States
- Prior art keywords
- spectacle front
- spectacle
- july
- united states
- references
- Prior art date
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- 230000003287 optical Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
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Description
United States Patent 0 Des. 175,281 Patented Aug. 2, 1955 SPECTACLE FRONT Raymond F. E. Stegeman, Greece, N. Y., assignor to Bausch & Lomb Optical Company, Rochester, N. Y.,
a corporation of New York Application January 20, 1955, Serial No. 34,095
Term of patent 7 years (Cl. D571) References Cited in the file of this patent UNITED STATES PATENTS Jonassen July 18, 1950 Foster Mar. 11, 1952 OTHER REFERENCES Modern Plastics, July 1948, volume 25, N0. 11.
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