US2499072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve for vehicle jacks
Assignee: WILEY K CROWDER
•
Filing: 1945-10-17
•
Granted: 1950-02-28
•
Expires: 1965-10-17
Abstract
No abstract record available.
Inventors
- 👤 Ralston H Mcclure
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:29
CPC Classifications
B; B60; B60S; B60S9/00; B60S9/02; B60S9/10; B60S9/12; Y; Y10; Y10S; Y10S60/00; Y10S60/911; Y10T; Y10T137/00; Y10T137/8376; Y10T137/8593; Y10T137/86493; Y10T137/86549
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US728611A
Cited
US1300107A
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US1711565A
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US1743005A
Cited
US1780972A
Cited
US1952127A
Cited
US1907208A
Cited
US2109238A
Cited
US2353855A
Cited
US2401787A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-27 | 1953-08-29 | 1954-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-27 | 1957-08-29 | 1958-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-27 | 1961-08-29 | 1962-02-28 | $7700.00 | Window Closed / Lapsed |