US3692958A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microphone headsets
Assignee: International Standard Electric Corp
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Filing: 1971-03-02
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Granted: 1972-09-19
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Expires: 1991-03-02
Abstract
Abstract A microphone headset worn on the ear without a head-band. The receiver and microphone are in a housing suspended from an earmould carried in the outer ear and a speech tube extends from the microphone to near the lips.
Inventors
- 👤 Leslie E Basil Dymoke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:44
CPC Classifications
H; H04; H04R; H04R1/00; H04R1/08; H04R1/10; H04R1/1016; H04R1/20; H04R1/32; H04R1/34; H04R1/342
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A microphone headset comprising: a microphone having a socket to receive a pair of pins, a receiver having a socket for receiving a second pair of pins, means for holding the microphone and receiver together including a junction box from which extend two pairs of pins, said pairs being respectively received in said microphone and receiver sockets, an acoustic tube adapted to convey sound from the wearer''s mouth to the microphone, means for attaching one end of the acoustic tube to the microphone, an earmould shaped to fit into the wearer''s outer ear, and means for attaching the earmould to the receiver to enable the earmould to convey sound from the receiver to wearer''s ear canal.
Claim 2
Dependent Claim
116 words
A microphone headset comprising: a microphone having a socket to receive a pair of pins, a receiver having a socket for receiving a second pair of pins, means for holding the microphone and receiver together including a junction box from which extend two pairs of pins, said pairs being respectively received in said microphone and receiver sockets, an acoustic tube adapted to convey sound from the wearer''s mouth to the microphone, means for attaching one end of the acoustic tube to the microphone, an earmould shaped to fit into the wearer''s outer ear, and means for attaching the earmould to the receiver to enable the earmould to convey sound from the receiver to wearer''s ear canal.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-09-19 | 1976-03-20 | 1976-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-19 | 1980-03-20 | 1980-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-19 | 1984-03-20 | 1984-09-19 | $7700.00 | Window Closed / Lapsed |