US3374671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vertical rate sensor
Assignee: TRANS SONICS Inc
•
Filing: 1965-03-31
•
Granted: 1968-03-26
•
Expires: 1985-03-31
Abstract
No abstract record available.
Inventors
- 👤 Sidney B Williams
- 👤 Edward T Rigney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:30
CPC Classifications
G; G01; G01P; G01P3/00; G01P3/62
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2775122A
Cited
US2906653A
Cited
US2904735A
Cited
US3055214A
Cited
US2999386A
Cited
US3181359A
Cited
US3274833A
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 |