Measuring – testing – or signalling instruments – Security or signal instrument or casing – Alarm or control thereof
Design Patent
2003-04-22
2004-01-27
Holtje, Nelson C. (Department: 2913)
Measuring, testing, or signalling instruments
Security or signal instrument or casing
Alarm or control thereof
Design Patent
active
D0485774
CLAIM:
The ornamental design for a photoelectric sensor, as shown.
REFERENCES:
patent: D261740 (1981-11-01), Lederer
patent: D275658 (1984-09-01), Kahl, Jr. et al.
patent: D307245 (1990-04-01), Biersdorff
patent: D312054 (1990-11-01), Melman
patent: D383078 (1997-09-01), Carmi
patent: 5790040 (1998-08-01), Kreier et al.
patent: D421403 (2000-03-01), Kanzaki
patent: D429696 (2000-08-01), Taylor
patent: 6121876 (2000-09-01), McKenney
patent: D432503 (2000-10-01), Taylor
patent: 6175309 (2001-01-01), Drake et al.
Hwang Chien-Jong
Hwang Liang-Lun
Hwang Shih-Ming
Lin Shiau-Der
Apex Juris pllc
Heims Tracy M.
Holtje Nelson C.
Hwang Shih-Ming
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