US2674095A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic brake system fluid restoring valve
Assignee: DURWOOD TEASTER
•
Filing: 1950-07-27
•
Granted: 1954-04-06
•
Expires: 1970-07-27
Abstract
No abstract record available.
Inventors
- 👤 Alva M Kirk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:40
CPC Classifications
B; B60; B60T; B60T17/00; B60T17/18; B60T17/22; B60T11/00; B60T11/10; B60T11/28; B60T11/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1578824A
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US1905077A
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US2093015A
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US2097889A
Cited
US2245682A
Cited
US2219765A
Cited
US2332301A
Cited
US2353304A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-05 | 1957-10-05 | 1958-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-05 | 1961-10-05 | 1962-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-05 | 1965-10-05 | 1966-04-06 | $7700.00 | Window Closed / Lapsed |