US2629288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antirollback brake for boosters
Assignee: Hughes Tool Co
•
Filing: 1947-10-10
•
Granted: 1953-02-24
•
Expires: 1967-10-10
Abstract
No abstract record available.
Inventors
- 👤 Leif E Jenssen
- 👤 John A Warren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:51
CPC Classifications
F; F41; F41A; F41A9/00; F41A9/50; F41A9/51
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US255957A
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US677872A
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US2073408A
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US2220599A
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US2396136A
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US2403170A
Cited
US2390401A
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US2436404A
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US2379273A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-24 | 1956-08-25 | 1957-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-24 | 1960-08-25 | 1961-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-24 | 1964-08-25 | 1965-02-24 | $7700.00 | Window Closed / Lapsed |