US3057423A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic jack
Assignee: Individual
•
Filing: 1957-12-16
•
Granted: 1962-10-09
•
Expires: 1977-12-16
Abstract
No abstract record available.
Inventors
- 👤 Walker Brooks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:12
CPC Classifications
B; B66; B66F; B66F3/00; B66F3/24; B66F3/245; B60; B60P; B60P1/00; B60P1/04; B60P1/16; B60P1/162; B60S; B60S9/00; B60S9/02; B60S9/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1937457A
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US2024844A
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US2216518A
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US2328970A
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US2363179A
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US2402449A
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US2403325A
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US2513246A
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US2716537A
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US2674092A
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US2746554A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-08 | 1966-04-09 | 1966-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-08 | 1970-04-09 | 1970-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-08 | 1974-04-09 | 1974-10-09 | $7700.00 | Window Closed / Lapsed |