US2902772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gyroscopic compass
Assignee: Honeywell Inc
•
Filing: 1951-10-01
•
Granted: 1959-09-08
•
Expires: 1971-10-01
Abstract
No abstract record available.
Inventors
- 👤 Benjamin H Ciscel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:57
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/02; G01C19/34; G01C19/38; Y; Y10; Y10T; Y10T74/00; Y10T74/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1501886A
Cited
US1924037A
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US2242253A
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US2631455A
Cited
US2591697A
Cited
US2762123A
Cited
US2752793A
Cited
US2752792A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |