Patent US3071887A successfully refreshed from Google Patents.
US3071887A
Expired / Lapsed
US
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Leveling apparatus
Assignee: REVCO Inc
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Filing: 1960-02-11
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Granted: 1963-01-08
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Expires: 1980-02-11
Abstract
No abstract record available.
Inventors
- 👤 Arb Edward J Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:06
CPC Classifications
F; F16; F16M; F16M7/00; A; A47; A47B; A47B91/00; A47B91/02; A47B91/022; A47B91/028; F25; F25D; F25D23/00; F25D2323/00; F25D2323/0011
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
APPARATUS FOR INDEPENDENTLY MOVING TWO POINTS WITH RESPECT TO EACH OTHER BY MANIPULATION OF SAID APPARATUS IN THE VICINITY OF ONE OF SAID POINTS COMPRISING, IN COMBINATION; A WEDGE MEMBER, HAVING AN INCLINED PLANE SURFACE, ATTACHED TO A FIRST OF SAID POINTS; A LATERALLY MOVABLE MEMBER ABUTTING SAID INCLINED PLANE SURFACE OF SAID WEDGE MEMBER; JACK MEANS ATTACHED TO SAID SECOND POINT; MEANS EXTENDING TO THE VICINITY OF SAID JACK MEANS FOR DISPLACING SAID LATERALLY MOVABLE MEMBER; THE DISPLACEMENT OF SAID LATERALLY MOVABLE MEMBER MOVING SAID FIRST POINT
Claim 2
Dependent Claim
88 words
APPARATUS FOR INDEPENDENTLY MOVING TWO POINTS WITH RESPECT TO EACH OTHER BY MANIPULATION OF SAID APPARATUS IN THE VICINITY OF ONE OF SAID POINTS COMPRISING, IN COMBINATION; A WEDGE MEMBER, HAVING AN INCLINED PLANE SURFACE, ATTACHED TO A FIRST OF SAID POINTS; A LATERALLY MOVABLE MEMBER ABUTTING SAID INCLINED PLANE SURFACE OF SAID WEDGE MEMBER; JACK MEANS ATTACHED TO SAID SECOND POINT; MEANS EXTENDING TO THE VICINITY OF SAID JACK MEANS FOR DISPLACING SAID LATERALLY MOVABLE MEMBER; THE DISPLACEMENT OF SAID LATERALLY MOVABLE MEMBER MOVING SAID FIRST POINT
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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |