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US3076174A
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US
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Method and apparatus to enable swimmers to converse under water
Assignee: Individual
•
Filing: 1959-07-14
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Granted: 1963-01-29
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Expires: 1979-07-14
Abstract
No abstract record available.
Inventors
- 👤 Walter N Wainwright
- 👤 Russell I Mason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:47
CPC Classifications
H; H04; H04B; H04B11/00; H04M; H04M1/00; H04M1/02; H04M1/04; H04M1/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
AN IMPROVED METHOD BY WHICH A PLURALITY OF UNDERWATER SWIMMERS MAY CONTINUOUSLY CONFER WITH ONE ANOTHER WHILE SUBMERGED IN WATER COMPRISING, AT EACH SWIMMER, CONTINUOUSLY INTERCEPTING AND EXTRACTING FROM THE WATER IMMEDIATELY ADJACENT THE SWIMMER A FRACTION OF ANY ACOUSTIC ENERGY IN THE VOICE FREQUENCY RANGE, AMPLIFYING THE ENERGY INTERCEPTED AND EXTRACTED FROM THE WATER ADJACENT THE SWIMMER, CONTINUOUSLY TRANSFERRING THE AMPLIFIED VOICE FREQUENCY ACOUSTIC ENERGY TO THE AUDITORY NERVE OF THE SWIMMER, CONTINUOUSLY PROVIDING AN AIR SPACE AROUND THE NOSE AND MOUTH OF THE SWIMMER FOR BREATHING PURPOSES AND TO CONTINUOUSLY ENABLE THE SWIMMER TO SPEAK INTO THE AIR SPACE CONCURRENTLY WHILE LISTENING TO VOICE FREQUENCY ENERGY TRANSFERRED TO HIS AUDITORY NERVE.
Claim 2
Dependent Claim
113 words
AN IMPROVED METHOD BY WHICH A PLURALITY OF UNDERWATER SWIMMERS MAY CONTINUOUSLY CONFER WITH ONE ANOTHER WHILE SUBMERGED IN WATER COMPRISING, AT EACH SWIMMER, CONTINUOUSLY INTERCEPTING AND EXTRACTING FROM THE WATER IMMEDIATELY ADJACENT THE SWIMMER A FRACTION OF ANY ACOUSTIC ENERGY IN THE VOICE FREQUENCY RANGE, AMPLIFYING THE ENERGY INTERCEPTED AND EXTRACTED FROM THE WATER ADJACENT THE SWIMMER, CONTINUOUSLY TRANSFERRING THE AMPLIFIED VOICE FREQUENCY ACOUSTIC ENERGY TO THE AUDITORY NERVE OF THE SWIMMER, CONTINUOUSLY PROVIDING AN AIR SPACE AROUND THE NOSE AND MOUTH OF THE SWIMMER FOR BREATHING PURPOSES AND TO CONTINUOUSLY ENABLE THE SWIMMER TO SPEAK INTO THE AIR SPACE CONCURRENTLY WHILE LISTENING TO VOICE FREQUENCY ENERGY TRANSFERRED TO HIS AUDITORY NERVE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |