US3588359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective suit having an audio transceiver
Assignee: National Aeronautics and Space Administration
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Filing: 1968-12-11
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Granted: 1971-06-28
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Expires: 1988-12-11
Abstract
Abstract A VOICE-OPERATED RECEIVING AND TRANSMITTING SYSTEM FOR A WEARER OF A PROTECTIVE SUIT WHICH CAN BE AUTOMATICALLY CHANGED FROM A RECEIVING CONDITION TO A TRANSMITTING CONDITION RESPONSIVE TO THE WEARER''S VOICE. THE SYSTEM IS PROVIDED WITH A CONTROL FOR REGULATING THE AUDIO LEVEL AT WHICH THE SWITCHING OPERATION TAKES PLACE.
Inventors
- 👤 Herbert E Cribb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:01
CPC Classifications
H; H04; H04M; H04M9/00; H04M9/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |