US3375489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure compensated transducer
Assignee: Individual
•
Filing: 1966-03-14
•
Granted: 1968-03-26
•
Expires: 1986-03-14
Abstract
No abstract record available.
Inventors
- 👤 Harry W Kompanek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:49
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/72
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2406767A
Cited
US2978670A
Cited
US2961636A
Cited
US2830020A
Cited
US3068446A
Cited
US3262093A
Cited
US3302163A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-26 | 1971-09-25 | 1972-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-26 | 1975-09-25 | 1976-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-26 | 1979-09-25 | 1980-03-26 | $7700.00 | Window Closed / Lapsed |