US2958786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistor transducer
Assignee: Texas Instruments Inc
•
Filing: 1955-12-16
•
Granted: 1960-11-01
•
Expires: 1975-12-16
Abstract
No abstract record available.
Inventors
- 👤 Edwin G Millis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:46
CPC Classifications
H; H04; H04R; H04R23/00; H04R23/006; G; G01; G01B; G01B3/00; G01B3/18; G01G; G01G7/00; G01G7/02; G01G7/04; G01L; G01L9/00; G01L9/0041; G01L9/0076; H10; H10F; H10F99/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1963-11-01 | 1964-05-02 | 1964-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-01 | 1968-05-02 | 1968-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-01 | 1972-05-02 | 1972-11-01 | $7700.00 | Window Closed / Lapsed |