US3223206A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic locking mechanisms
Assignee: Whitnash PLC
•
Filing: 1963-08-15
•
Granted: 1965-12-14
•
Expires: 1983-08-15
Abstract
No abstract record available.
Inventors
- 👤 Bainbridge Wilfred Nicholas
- 👤 Bradbury Frederick James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:58
CPC Classifications
B; B64; B64D; B64D11/00; B64D11/06; B64D11/0639; B64D11/064; B60; B60N; B60N2/00; B60N2/02; B60N2/22; B60N2/23; B60N2/231; F; F16; F16B; F16B1/00; F16B1/02; F16B1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |