US2472294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic system for vehicle jacks
Assignee: Individual
•
Filing: 1947-03-07
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Granted: 1949-06-07
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Expires: 1967-03-07
Abstract
No abstract record available.
Inventors
- 👤 Monroe D Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:17
CPC Classifications
B; B60; B60S; B60S9/00; B60S9/02; B60S9/10; F; F15; F15B; F15B11/00; F15B11/16; F15B2211/00; F15B2211/20; F15B2211/21; F15B2211/212; F15B2211/30; F15B2211/305; F15B2211/30505; F15B2211/3056; F15B2211/30585; F15B2211/40; F15B2211/405; F15B2211/40515; F15B2211/42; F15B2211/421; F15B2211/423; F15B2211/70; F15B2211/71
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-06 | 1952-12-06 | 1953-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-06 | 1956-12-06 | 1957-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-06 | 1960-12-06 | 1961-06-07 | $7700.00 | Window Closed / Lapsed |