USD227988S - Photoelectric device - Google Patents
Photoelectric device Download PDFInfo
- Publication number
- USD227988S USD227988S US D227988 S USD227988 S US D227988S
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- US
- United States
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- photoelectric device
- photoelectric
- elevational view
- united states
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- 241000153444 Verger Species 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
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United States Patent 0 ce 221988 Patented July 31, 1973 PHOTOELECTRIC DEVICE Leo A. Guthart, Old Westbury, N.Y., assignor to Alarm Device Manufacturing Company, a division of Pittway Corporation, Syosset, N.Y.
Filed May 14, 1971, Ser. No. 143,746
Term of patent 14 years Int. Cl. D13-99 US. Cl. D261 F FIG. 1 is a front elevational view of a photoelectric D. 194,355 1/1963 Verger D261 F device showing my new design; Re. 25,258 10/1962 Asten 250-239 FIG. 2 is a side elevational view; and
FIG. 3 is a top plan elevational view. OTHER REFERENCES I claim:
General Electric Transistorized Photoelectric Controls No. GEA-6822G, p. 9, standard sensing head at top of page.
References Cited WALLACE R. BURKE, Primary Examiner UNITED STATES PATENTS A. P. DOUGLAS, Assistant Examiner 0217,1513 5/1970 Kahl, Jr. D26-l F The ornamental design for a photoelectric device, as shown and described.
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