USD339107SExpiredUtility

Detection device for operating an automatic door

43
Priority: Nov 28, 1990Filed: May 10, 1991Granted: Sep 7, 1993
Est. expiryNov 28, 2010(expired)· nominal 20-yr term from priority
43
PatentIndex Score
15
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for detection device for operating an automatic door, as shown.

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