Patent US3038339A successfully refreshed from Google Patents.
US3038339A
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US
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Pressure transducer
Assignee: COLVIN LAB Inc
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Filing: 1958-03-21
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Granted: 1962-06-12
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Expires: 1978-03-21
Abstract
No abstract record available.
Inventors
- 👤 Charles H Colvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:36
CPC Classifications
G; G01; G01L; G01L11/00; G01L11/004; G01L9/00; G01L9/0033; G01L9/0035
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-11 | 1965-12-11 | 1966-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-11 | 1969-12-11 | 1970-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-11 | 1973-12-11 | 1974-06-12 | $7700.00 | Window Closed / Lapsed |