US3254336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sound simulation system
Assignee: DH Baldwin Co
•
Filing: 1963-03-13
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Granted: 1966-05-31
•
Expires: 1983-03-13
Abstract
No abstract record available.
Inventors
- 👤 Donald J Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:35
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/02; G10H1/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
IN COMBINATION, A SOURCE OF SUCCESSIVE GROUPS OF SHORT DIRECT CURRENT PULSES, AN ELECTRICAL PULSE RESPONSIVE RESONATOR, MEANS FOR COUPLING SAID RESONATOR TO SAID SOURCE, SAID RESONATOR HAVING A Q VALUE PROVIDING MULTIPLE CYCLE SHOCK EXCITED OSCILLATOR REACTION TO EACH OF SAID PULSES, AND AN ACOUSTIC TRANSDUCER COUPLED TO SAID RESONATOR.
Claim 2
Dependent Claim
51 words
IN COMBINATION, A SOURCE OF SUCCESSIVE GROUPS OF SHORT DIRECT CURRENT PULSES, AN ELECTRICAL PULSE RESPONSIVE RESONATOR, MEANS FOR COUPLING SAID RESONATOR TO SAID SOURCE, SAID RESONATOR HAVING A Q VALUE PROVIDING MULTIPLE CYCLE SHOCK EXCITED OSCILLATOR REACTION TO EACH OF SAID PULSES, AND AN ACOUSTIC TRANSDUCER COUPLED TO SAID RESONATOR.
References Cited (Backward Citations)
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Cited
US1994902A
Cited
US2434920A
Cited
US2455472A
Cited
US2694954A
Cited
US2898587A
Cited
US2989886A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |