US2631696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brake control mechanism
Assignee: Boeing Co
•
Filing: 1949-05-02
•
Granted: 1953-03-17
•
Expires: 1969-05-02
Abstract
No abstract record available.
Inventors
- 👤 Gordon W Yarber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:28
CPC Classifications
B; B60; B60T; B60T8/00; B60T8/32; B60T8/321; B60T8/325; B60T8/72; B60T8/74
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US651706A
Cited
US1560844A
Cited
US2098785A
Cited
US2140620A
Cited
US2363611A
Cited
US2393031A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-16 | 1956-09-15 | 1957-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-16 | 1960-09-15 | 1961-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-16 | 1964-09-15 | 1965-03-17 | $7700.00 | Window Closed / Lapsed |