USD273049SExpiredUtility

Combination door lock de-icer and torch and key ring

66
Individually held — no corporate assignee on recordPriority: Sep 9, 1980Filed: Feb 26, 1981Granted: Mar 13, 1984
Est. expirySep 9, 2000(expired)· nominal 20-yr term from priority
Inventors:Siu Ling LamYuk-Ying Wong ChanKing Ming Chan
66
PatentIndex Score
17
Cited by
7
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a combination door lock de-icer and torch and key ring, as shown and described.

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