Patent US3280273A successfully refreshed from Google Patents.
US3280273A
Expired / Lapsed
US
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Self-supporting operator's headset
Assignee: Memorex Telex Corp
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Filing: 1963-09-11
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Granted: 1966-10-18
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Expires: 1983-09-11
Abstract
No abstract record available.
Inventors
- 👤 Dean W Flygstad
- 👤 Robert L Sell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:28
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/02; H04M1/04; H04M1/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
AN OPERATOR''S HEADSET COMPRISED OF AN ELONGATED HOLLOW HOUSING CONTAINING A RECEIVER AND A MICROPHONE, SAID HOUSING BEING SHAPED TO LIE BEHIND THE EAR OF AN OPERATOR, SAID HOUSING ALSO HAVING A TUBULAR PORTION EXTENDING FORWARDLY FROM ITS TOP OVER THE EAR OF AN OPERATOR AND INTO PROXIMITY OF THE AUDITORY CANAL, SAID HOUSING ALSO HAVING A TUBULAR PORTION EXTENDING FORWARDLY FROM ITS LOWER END INTO CONTACT WITH THE FACE OF THE OPERATOR AND INTO PROXIMITY OF THE MOUTH OF THE OPERATOR WHEREBY THE HOUSING IS SUPPORTED SOLELY BY THE EAR AND FACE OF THE OPERATOR.
Claim 2
Dependent Claim
96 words
AN OPERATOR''S HEADSET COMPRISED OF AN ELONGATED HOLLOW HOUSING CONTAINING A RECEIVER AND A MICROPHONE, SAID HOUSING BEING SHAPED TO LIE BEHIND THE EAR OF AN OPERATOR, SAID HOUSING ALSO HAVING A TUBULAR PORTION EXTENDING FORWARDLY FROM ITS TOP OVER THE EAR OF AN OPERATOR AND INTO PROXIMITY OF THE AUDITORY CANAL, SAID HOUSING ALSO HAVING A TUBULAR PORTION EXTENDING FORWARDLY FROM ITS LOWER END INTO CONTACT WITH THE FACE OF THE OPERATOR AND INTO PROXIMITY OF THE MOUTH OF THE OPERATOR WHEREBY THE HOUSING IS SUPPORTED SOLELY BY THE EAR AND FACE OF THE OPERATOR.
References Cited (Backward Citations)
US2904640A
Cited
US3184556A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |