Patent US4545598A successfully refreshed from Google Patents.
US3080147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic jack
Assignee: Individual
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Filing: 1962-02-09
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Granted: 1963-03-05
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Expires: 1982-02-09
Abstract
No abstract record available.
Inventors
- 👤 David O Greenhaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:37
CPC Classifications
B; B66; B66F; B66F5/00; B66F5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A JACK COMPRISING A HORIZONTAL WHEELED BASE FRAME, A VERTICALLY ELONGATED STANDARD FIXED ON AND RISING FROM THE BASE FRAME, A BRACE PIVOTED AT ONE END ON THE STANDARD AT A POINT SPACED ABOVE THE BASE, A CRADLE PIVOTED ON THE OTHER END OF THE BRACE, AN EXTENSIBLE JACK BENEATH THE BRACE AND PIVOTED AT ONE END TO THE BASE FRAME ADJACENT TO THE LOWER END OF THE STANDARD AND PIVOTED AT ITS OTHER END TO THE CRADLE AT A POINT SPACED BELOW THE PIVOTAL CONNECTION OF THE BRACE WITH THE CRADLE, AND LEVER MEANS PIVOTED AT ONE END TO THE BASE FRAME AND AT THE OTHER END THEREOF TO THE CRADLE AT A LOCATION ADJACENT TO SAID OTHER END OF THE JACK.
Claim 2
Dependent Claim
123 words
A JACK COMPRISING A HORIZONTAL WHEELED BASE FRAME, A VERTICALLY ELONGATED STANDARD FIXED ON AND RISING FROM THE BASE FRAME, A BRACE PIVOTED AT ONE END ON THE STANDARD AT A POINT SPACED ABOVE THE BASE, A CRADLE PIVOTED ON THE OTHER END OF THE BRACE, AN EXTENSIBLE JACK BENEATH THE BRACE AND PIVOTED AT ONE END TO THE BASE FRAME ADJACENT TO THE LOWER END OF THE STANDARD AND PIVOTED AT ITS OTHER END TO THE CRADLE AT A POINT SPACED BELOW THE PIVOTAL CONNECTION OF THE BRACE WITH THE CRADLE, AND LEVER MEANS PIVOTED AT ONE END TO THE BASE FRAME AND AT THE OTHER END THEREOF TO THE CRADLE AT A LOCATION ADJACENT TO SAID OTHER END OF THE JACK.
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) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |