US2964837A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of transducer manufacture
Assignee: Harris Transducer Corp
•
Filing: 1958-06-09
•
Granted: 1960-12-20
•
Expires: 1978-06-09
Abstract
No abstract record available.
Inventors
- 👤 Wilbur T Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:06
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/08; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49073; Y10T29/49826; Y10T29/49863; Y10T29/49865; Y10T29/49895
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US567250A
Cited
US2636998A
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US2116522A
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US2439499A
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US2464568A
Cited
US2680285A
Cited
US2751191A
Cited
GB778392A
Cited
US2842834A
Cited
US2871548A
Cited
US2842689A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |