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US3417361A
Expired / Lapsed
US
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Semiconductive pressure transducer
Assignee: Conrac Corp
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Filing: 1966-03-07
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Granted: 1968-12-17
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Expires: 1986-03-07
Abstract
No abstract record available.
Inventors
- 👤 Heller Henry Bernhard
- 👤 Robert C Abraham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:59
CPC Classifications
G; G01; G01L; G01L9/00; G01L9/0041; G01L9/0051; G01L9/0052; G01L9/0054
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3079576A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |