Patent US3218607A successfully refreshed from Google Patents.
US3218607A
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Underwater telephone
Assignee: Bendix Corp
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Filing: 1962-12-10
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Granted: 1965-11-16
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Expires: 1982-12-10
Abstract
No abstract record available.
Inventors
- 👤 Charles R Brock
- 👤 Reginald J Cyr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:29
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/02; H04M1/04; H04M1/05; B; B63; B63C; B63C11/00; B63C11/02; B63C11/26; H04B; H04B11/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
103 words
AN UNDERWATER TELEPHONE COMPRISING: A HEADSET INCLUDING A FLEXIBLE HEADBAND TO BE WORN BY AN UNDERWATER SWIMMER; AN EARPHONE SECURED TO SAID HEADBOARD AND POSITIONED FOR RADIATION OF ENERGY THROUGH SAID HEADBAND TO ONE EAR OF THE USER; A BATTERY PACKAGE CONTAINING A BATTERY FOR POWERING SAID TELEPHONE SECURED TO SAID HEADBAND; AN ELECTRONIC CIRCUIT PACKAGE MOUNTED ON SAID HEADBAND; A MICROPHONE CONNECTED TO SAID ELECTRONIC CIRCUIT PACKAGE; MEANS INCLUDING SAID HEADBAND FOR CONDUCTIVELY CONNECTING SAID EARPHONE, ELECTRONIC CIRCUIT PACKAGE AND BATTERY PACK; AND AN ELECTROMECHANICAL TRANSDUCER MOUNTED ON SAID HEADSET FOR COUPLING ENERGY BETWEEN THE ELECTRONIC CIRCUIT PACKAGE AND THE SURROUNDING MEDIUM.
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) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |