US3436655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotation measuring device for very slowly rotating shaft
Assignee: Collins Radio Co
•
Filing: 1966-04-20
•
Granted: 1969-04-01
•
Expires: 1986-04-20
Abstract
No abstract record available.
Inventors
- 👤 Michael W Lundgreen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:43
CPC Classifications
G; G01; G01P; G01P3/00; G01P3/42; G01P3/44; G01P3/48; G01P3/4802; G01P3/481; G01P3/486
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2656106A
Cited
US2685083A
Cited
US2796598A
Cited
US2788519A
Cited
US2994783A
Cited
US2999168A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-31 | 1972-09-30 | 1973-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-31 | 1976-09-30 | 1977-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-31 | 1980-09-30 | 1981-04-01 | $7700.00 | Window Closed / Lapsed |