Patent US2935740A successfully refreshed from Google Patents.
US2935740A
Expired / Lapsed
US
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Pressure transducer system
Assignee: Panellit Inc
•
Filing: 1954-11-04
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Granted: 1960-05-03
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Expires: 1974-11-04
Abstract
No abstract record available.
Inventors
- 👤 Albert F Sperry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:58
CPC Classifications
G; G01; G01L; G01L19/00; G01L19/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US504335A
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US2733008A
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US1699759A
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US2132213A
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US2318591A
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US2302769A
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US2402182A
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US2467948A
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US2577820A
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US2766445A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |