USD266244SExpiredUtility

Collapsible headset

87
Assignee: PICKERING & CO INCPriority: May 30, 1979Filed: May 30, 1979Granted: Sep 21, 1982
Est. expiryMay 30, 1999(expired)· nominal 20-yr term from priority
Inventors:Alan HoferFrank Frielingsdorf
87
PatentIndex Score
21
Cited by
10
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a collapsible headset, as shown.

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