USD244004SExpiredUtility

Double acting door lift and closing device

37
Assignee: ELKHART RIVET & REGISTER CO INCPriority: Nov 13, 1975Filed: Nov 13, 1975Granted: Apr 12, 1977
Est. expiryNov 13, 1995(expired)· nominal 20-yr term from priority
Inventors:Glenn V. Searer
37
PatentIndex Score
5
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a double acting door lift and closing device, substantially as shown.

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