USD274506SExpiredUtility

Unipolar chamber for an ionization smoke detector

29
Assignee: PITTWAY CORPPriority: Feb 10, 1982Filed: Feb 10, 1982Granted: Jul 3, 1984
Est. expiryFeb 10, 2002(expired)· nominal 20-yr term from priority
Inventors:Richard E. Hiltenbrand
29
PatentIndex Score
1
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a unipolar chamber for an ionization smoke detector, as shown.

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