US2949030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gyroscopically stabilized optical system platform
Assignee: North American Aviation Corp
•
Filing: 1949-04-09
•
Granted: 1960-08-16
•
Expires: 1969-04-09
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert Bruce Horsfall
- 👤 John M Slater
- 👤 John A Widenmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:54
CPC Classifications
G; G02; G02B; G02B27/00; G02B27/64; G02B27/644
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
NL33746C
Cited
US1801329A
Cited
US1942604A
Cited
US2109283A
Cited
US2227037A
Cited
US2371626A
Cited
US2715776A
Cited
US2381478A
Cited
US2362827A
Cited
US2529619A
Cited
US2439392A
Cited
US2444933A
Cited
US2591697A
Cited
US2532402A
Cited
US2513367A
Cited
US2762123A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-16 | 1964-02-15 | 1964-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-16 | 1968-02-15 | 1968-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-16 | 1972-02-15 | 1972-08-16 | $7700.00 | Window Closed / Lapsed |