Patent US3373841A successfully refreshed from Google Patents.
US3373841A
Expired / Lapsed
US
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Method and apparatus for generating sound waves
Assignee: Gulf General Atomic Inc
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Filing: 1966-04-01
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Granted: 1968-03-19
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Expires: 1986-04-01
Abstract
No abstract record available.
Inventors
- 👤 Jr Park H Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:25
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/04; G; G01; G01V; G01V1/00; G01V1/02; G01V1/04; G01V1/047; G01V1/143; G01V1/155
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2745507A
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US2773482A
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US2890584A
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US3122664A
Cited
US3229784A
Cited
US3216525A
Cited
US3208550A
Cited
US3282372A
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US3282371A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-19 | 1971-09-18 | 1972-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-19 | 1975-09-18 | 1976-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-19 | 1979-09-18 | 1980-03-19 | $7700.00 | Window Closed / Lapsed |