US2904732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Capacitive pressure transducer
Assignee: General Dynamics Corp
•
Filing: 1956-06-20
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Granted: 1959-09-15
•
Expires: 1976-06-20
Abstract
No abstract record available.
Inventors
- 👤 Richard B Houghton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:42
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/14; G01F23/18; G01F23/22; G01F23/26; G01F23/263
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE443985C
Cited
GB481103A
Cited
US2354945A
Cited
US2423875A
Cited
FR938682A
Cited
GB614806A
Cited
US2741124A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-14 | 1963-03-16 | 1963-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-14 | 1967-03-16 | 1967-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-14 | 1971-03-16 | 1971-09-15 | $7700.00 | Window Closed / Lapsed |