Patent US2653917A successfully refreshed from Google Patents.
US3243768A
Expired / Lapsed
US
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Integral directional electroacoustical transducer for simultaneous transmission and reception of sound
Assignee: Individual
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Filing: 1962-06-01
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Granted: 1966-03-29
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Expires: 1982-06-01
Abstract
No abstract record available.
Inventors
- 👤 Jr Arthur H Roshon
- 👤 Jr Daniel E Andrews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:38
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/06; B06B1/0607; G; G10; G10K; G10K11/00; G10K11/18; G10K11/26; G10K11/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
IN A DEVICE OF THE CHARACTER DESCRIBED, REFLECTOR MEANS FOR SIMULTANEOUSLY REFLECTING A PLURALITY OF BEAMS OF RECEIVED AND TRANSMITTED ENERGY; MOUNTING MEANS POSITIONED WITHIN SAID REFLECTOR MEANS; FIRST AND SECOND GROUPS OF VIBRATILE ELEMENTS DISPOSED ON SAID MOUNTING MEANS, SAID FIRST GROUP OF VIBRATILE ELEMENTS ADAPTED TO VIBRATE AND GENERATE COMPRESSIONAL WAVES WHEN ELECTRICALLY EXCITED; SAID SECOND GROUP OF VIBRATILE ELEMENTS ADAPTED TO GENERATE ELECTRICAL WAVES WHEN VIBRATED; SAID FIRST AND SECOND GROUPS OF ELEMENTS BEING ADAPTED FOR SIMULTANEOUS TRANSMISSION AND RECEPTION OF BEAMS OF ENERGY TO AND FROM SAID REFLECTOR MEANS RESPECTIVELY.
Claim 2
Dependent Claim
94 words
IN A DEVICE OF THE CHARACTER DESCRIBED, REFLECTOR MEANS FOR SIMULTANEOUSLY REFLECTING A PLURALITY OF BEAMS OF RECEIVED AND TRANSMITTED ENERGY; MOUNTING MEANS POSITIONED WITHIN SAID REFLECTOR MEANS; FIRST AND SECOND GROUPS OF VIBRATILE ELEMENTS DISPOSED ON SAID MOUNTING MEANS, SAID FIRST GROUP OF VIBRATILE ELEMENTS ADAPTED TO VIBRATE AND GENERATE COMPRESSIONAL WAVES WHEN ELECTRICALLY EXCITED; SAID SECOND GROUP OF VIBRATILE ELEMENTS ADAPTED TO GENERATE ELECTRICAL WAVES WHEN VIBRATED; SAID FIRST AND SECOND GROUPS OF ELEMENTS BEING ADAPTED FOR SIMULTANEOUS TRANSMISSION AND RECEPTION OF BEAMS OF ENERGY TO AND FROM SAID REFLECTOR MEANS RESPECTIVELY.
References Cited (Backward Citations)
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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) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |