US2962695A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resonant low-frequency transducer
Assignee: Harris Transducer Corp
•
Filing: 1955-05-13
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Granted: 1960-11-29
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Expires: 1975-05-13
Abstract
No abstract record available.
Inventors
- 👤 Wilbur T Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:48
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/06; B06B1/0607; B06B1/0611; B06B1/0618; Y; Y10; Y10S; Y10S116/00; Y10S116/18; Y10S181/00; Y10S181/40; Y10S181/402
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1738565A
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US1874982A
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US2138036A
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US2116522A
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US2452085A
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US2478207A
Cited
US2616820A
Cited
US2638577A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |