Patent US3615157A successfully refreshed from Google Patents.
US3615157A
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US
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Hydraulic jack
Assignee: Multiprens CA
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Filing: 1969-01-23
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Granted: 1971-10-26
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Expires: 1989-01-23
Abstract
Abstract THERE IS HEREIN DISCLOSED A HYDRAULIC JACK FOR USE WITH AUTOMOBILES OR THE LIKE, HAVING A PUMP HANDLE CONNECTED TO A PISTON FOR PUMPING HYDRAULIC FLUID FROM A RESERVOIR TO A LIFTING CYLINDER. THE LIFTING CYLINDER SURROUNDS A STATIONARY, GROUND SUPPORTED PISTON AND CARRIES A HOOK FOR CONNECTION TO AN AUTOMOBILE BUMPER OR THE LIKE.
Inventors
- 👤 Luigi D Amico Trotta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:32
CPC Classifications
B; B66; B66F; B66F3/00; B66F3/24; B66F3/25; B66F3/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-10-25 | 1975-04-26 | 1975-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-25 | 1979-04-26 | 1979-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-25 | 1983-04-26 | 1983-10-26 | $7700.00 | Window Closed / Lapsed |