US3150345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sonic communication system
Assignee: Individual
•
Filing: 1958-01-27
•
Granted: 1964-09-22
•
Expires: 1978-01-27
Abstract
No abstract record available.
Inventors
- 👤 Jeff E Freeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:55
CPC Classifications
H; H04; H04B; H04B11/00; G; G01; G01S; G01S1/00; G01S1/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
IN A VERSATILE COMMUNICATION SYSTEM FOR UNDERWATER AND ABOVE SURFACE USE, THE COMBINATION COMPRISING A WATER SUBMERSED TRANSDUCER, AN ATMOSPHERICALLY IMMERSED LOUDSPEAKER, AN AUDIO FREQUENCY INPUT SOURCE FOR INTRODUCING RADIO SIGNALS AND VOICE MESSAGES, AND A UNITARILY ACTUATED SWITCHING MEANS FOR SELECTIVELY CONNECTING SAID INPUT SOURCE TO SAID LOUDSPEAKER IN A FIRST POSITION AND CONNECTING SAID INPUT SOURCE SIMULTANEOUSLY TO SAID TRANSDUCER AND SAID LOUDSPEAKER IN A SECOND POSITION, WHEREBY THE EMMISSION OF SIGNALS ORIGINATING AT THE INPUT SOURCE MAY BE SELECTIVELY TRANSMITTED AS SOUND WAVES IN THE AIR IN SAID FIRST POSITION AND AS SOUND WAVES BOTH UNDERWATER AND IN THE AIR SIMULTANEOUSLY IN SAID SECOND POSITION.
Claim 2
Dependent Claim
108 words
IN A VERSATILE COMMUNICATION SYSTEM FOR UNDERWATER AND ABOVE SURFACE USE, THE COMBINATION COMPRISING A WATER SUBMERSED TRANSDUCER, AN ATMOSPHERICALLY IMMERSED LOUDSPEAKER, AN AUDIO FREQUENCY INPUT SOURCE FOR INTRODUCING RADIO SIGNALS AND VOICE MESSAGES, AND A UNITARILY ACTUATED SWITCHING MEANS FOR SELECTIVELY CONNECTING SAID INPUT SOURCE TO SAID LOUDSPEAKER IN A FIRST POSITION AND CONNECTING SAID INPUT SOURCE SIMULTANEOUSLY TO SAID TRANSDUCER AND SAID LOUDSPEAKER IN A SECOND POSITION, WHEREBY THE EMMISSION OF SIGNALS ORIGINATING AT THE INPUT SOURCE MAY BE SELECTIVELY TRANSMITTED AS SOUND WAVES IN THE AIR IN SAID FIRST POSITION AND AS SOUND WAVES BOTH UNDERWATER AND IN THE AIR SIMULTANEOUSLY IN SAID SECOND POSITION.
References Cited (Backward Citations)
US1213610A
Cited
US1540093A
Cited
US2025041A
Cited
US1909812A
Cited
US2164858A
Cited
US2174456A
Cited
US2217497A
Cited
US2238070A
Cited
US2410805A
Cited
US2460316A
Cited
US2542594A
Cited
US2573257A
Cited
US2606976A
Cited
US2706285A
Cited
US2755343A
Cited
US2740946A
Cited
US2798902A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |