US2829520A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure responsive transducers
Assignee: Individual
•
Filing: 1955-02-14
•
Granted: 1958-04-08
•
Expires: 1975-02-14
Abstract
No abstract record available.
Inventors
- 👤 Austin N Stanton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:47
CPC Classifications
G; G01; G01L; G01L9/00; G01L9/0041; G01L9/007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2371040A
Cited
US2593339A
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US2571863A
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US2660056A
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US2696566A
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US2685200A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-07 | 1961-10-07 | 1962-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-07 | 1965-10-07 | 1966-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-07 | 1969-10-07 | 1970-04-08 | $7700.00 | Window Closed / Lapsed |