US2850251A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roll compensator for guided missiles
Assignee: Individual
•
Filing: 1954-04-08
•
Granted: 1958-09-02
•
Expires: 1974-04-08
Abstract
No abstract record available.
Inventors
- 👤 Wilbur A Joerndt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:52
CPC Classifications
H; H01; H01C; H01C10/00; H01C10/04; F; F41; F41G; F41G7/00; F41G7/20; F41G7/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2137812A
Cited
US2141907A
Cited
US2406293A
Cited
US2616640A
Cited
US2769601A
Cited
US2784924A
Cited
US2775421A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-01 | 1962-03-03 | 1962-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-01 | 1966-03-03 | 1966-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-01 | 1970-03-03 | 1970-09-02 | $7700.00 | Window Closed / Lapsed |