US3309060A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lift for motor vehicles
Assignee: Individual
•
Filing: 1965-09-08
•
Granted: 1967-03-14
•
Expires: 1985-09-08
Abstract
No abstract record available.
Inventors
- 👤 Villars Julio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:54
CPC Classifications
B; B66; B66F; B66F7/00; B66F7/02; B66F7/025; F; F16; F16H; F16H25/00; F16H25/18; F16H25/20; F16H25/24; F16H25/2472; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A LIFT COMPRISING: AT LEAST ONE COLUMN, A SLIDE MEMBER MOVABLE VERTICALLY ON SAID COLUMN, A LIFTING ARM ASSEMBLY CANTILEVERED FROM SAID SLIDE MEMBER, MEANS FOR ELEVATING SAID SLIDE MEMBER ON SAID COLUMN, AND VERTICALLY SPACED UPPER AND LOWER GUIDE BLOCKS MOUNTED ON SAID SLIDE MEMBER, SAID LOWER BLOCKS BEING POSITIONED TO ENGAGE SAID COLUMN ON THE SIDE THEREOF ADJACENT TO SAID LIFTING ARM ASSEMBLY WHEREAS SAID UPPER BLOCK IS POSITIONED TO ENGAGE THE OPPOSITE SIDE OF THE COLUMN SO THAT THE GUIDE BLOCKS DEVELOP A COUPLE REACTION ON A TRANSVERSE AXIS THROUGH THE COLUMN, SAID GUIDE BLOCKS BEING FORMED OF A MATERIAL HAVING A COEFFICIENT OF FRICTION WHICH UNDER THE FORCES OF THE COUPLE REACTION EFFECT A SLOW DESCENT OF SAID ASSEMBLY AND THE LOAD THEREON IN THE EVENT SAID ELEVATING MEANS FAILS TO CARRY THE WEIGHT OF SAID ASSEMBLY AND LOAD.
Claim 2
Dependent Claim
143 words
A LIFT COMPRISING: AT LEAST ONE COLUMN, A SLIDE MEMBER MOVABLE VERTICALLY ON SAID COLUMN, A LIFTING ARM ASSEMBLY CANTILEVERED FROM SAID SLIDE MEMBER, MEANS FOR ELEVATING SAID SLIDE MEMBER ON SAID COLUMN, AND VERTICALLY SPACED UPPER AND LOWER GUIDE BLOCKS MOUNTED ON SAID SLIDE MEMBER, SAID LOWER BLOCKS BEING POSITIONED TO ENGAGE SAID COLUMN ON THE SIDE THEREOF ADJACENT TO SAID LIFTING ARM ASSEMBLY WHEREAS SAID UPPER BLOCK IS POSITIONED TO ENGAGE THE OPPOSITE SIDE OF THE COLUMN SO THAT THE GUIDE BLOCKS DEVELOP A COUPLE REACTION ON A TRANSVERSE AXIS THROUGH THE COLUMN, SAID GUIDE BLOCKS BEING FORMED OF A MATERIAL HAVING A COEFFICIENT OF FRICTION WHICH UNDER THE FORCES OF THE COUPLE REACTION EFFECT A SLOW DESCENT OF SAID ASSEMBLY AND THE LOAD THEREON IN THE EVENT SAID ELEVATING MEANS FAILS TO CARRY THE WEIGHT OF SAID ASSEMBLY AND LOAD.
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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |