US2826390A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic hydraulic brake lock
Assignee: Individual
•
Filing: 1954-03-19
•
Granted: 1958-03-11
•
Expires: 1974-03-19
Abstract
No abstract record available.
Inventors
- 👤 Curtis D Bailey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:19
CPC Classifications
B; B60; B60T; B60T17/00; B60T17/08; B60T17/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2289563A
Cited
FR398331A
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GB208703A
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US2187789A
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US2366412A
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US2435425A
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US2446353A
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US2579723A
Cited
US2502118A
Cited
US2650958A
Cited
US2638118A
Cited
US2588793A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-10 | 1961-09-09 | 1962-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-10 | 1965-09-09 | 1966-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-10 | 1969-09-09 | 1970-03-11 | $7700.00 | Window Closed / Lapsed |