US3224730A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic jack assembly
Assignee: Individual
•
Filing: 1962-06-29
•
Granted: 1965-12-21
•
Expires: 1982-06-29
Abstract
No abstract record available.
Inventors
- 👤 Stephan J Fischler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:23
CPC Classifications
B; B66; B66F; B66F3/00; B66F3/24; B66F3/25; B66F3/36; Y; Y10; Y10S; Y10S72/00; Y10S72/705
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A HYDRAULIC JACK ASSEMBLY COMPRISING A HYDRAULIC PISTON-CYLINDER ASSEMBLY, A U-SHAPED YOKE MEMBER SECURED TO THE ROD END OF THE CYLINDER OF SUCH PISTON-CYLINDER ASSEMBLY, SAID U-SHAPE YOKE MEMBER HAVING ELONGATED LEGS EXTENDING AWAY FROM SAID PISTON-CYLINDER ASSEMBLY A U-SHAPE PULLER MEMBER DISPOSED WITHIN SUCH YOKE MEMBER AT RIGHT ANGLES THERETO AND SECURED TO THE PISTON OF SUCH PISTON-CYLINDER ASSEMBLY, SAID PULLER, MEMBER HAVING ELONGATED LEGS EXTENDING BACK ALONG THE PISTONCYLINDER ASSEMBLY, AND WORK CONTACT MEANS ADAPTED TO BE SECURED TO OPPOSITE ENDS OF THE ASSEMBLY TO THE YOKE AND PULLER RESPECTIVELY.
Claim 2
Dependent Claim
92 words
A HYDRAULIC JACK ASSEMBLY COMPRISING A HYDRAULIC PISTON-CYLINDER ASSEMBLY, A U-SHAPED YOKE MEMBER SECURED TO THE ROD END OF THE CYLINDER OF SUCH PISTON-CYLINDER ASSEMBLY, SAID U-SHAPE YOKE MEMBER HAVING ELONGATED LEGS EXTENDING AWAY FROM SAID PISTON-CYLINDER ASSEMBLY A U-SHAPE PULLER MEMBER DISPOSED WITHIN SUCH YOKE MEMBER AT RIGHT ANGLES THERETO AND SECURED TO THE PISTON OF SUCH PISTON-CYLINDER ASSEMBLY, SAID PULLER, MEMBER HAVING ELONGATED LEGS EXTENDING BACK ALONG THE PISTONCYLINDER ASSEMBLY, AND WORK CONTACT MEANS ADAPTED TO BE SECURED TO OPPOSITE ENDS OF THE ASSEMBLY TO THE YOKE AND PULLER RESPECTIVELY.
References Cited (Backward Citations)
US1469076A
Cited
US2100564A
Cited
US2430201A
Cited
US2566460A
Cited
US2677174A
Cited
US2835154A
Cited
US2948057A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |