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Patent US2928068A successfully refreshed from Google Patents.
US2928068A
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Compressional wave transducer and method of making the same
Assignee: General Electric Co
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Filing: 1952-03-25
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Granted: 1960-03-08
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Expires: 1972-03-25
Abstract
No abstract record available.
Inventors
- 👤 Richard W Samsel
- 👤 Gene R Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:24
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/06; B06B1/0607; B06B1/0622; B06B1/0629; Y; Y10; Y10S; Y10S367/00; Y10S367/905; Y10T; Y10T29/00; Y10T29/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2269403A
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US2411551A
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US2468301A
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US2592703A
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US2540412A
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US2515446A
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US2624853A
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US2565159A
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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) | 1963-03-08 | 1963-09-07 | 1964-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-08 | 1967-09-07 | 1968-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-08 | 1971-09-07 | 1972-03-08 | $7700.00 | Window Closed / Lapsed |