Patent US3120945A successfully refreshed from Google Patents.
US3120945A
Expired / Lapsed
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Service jacks
Assignee: Milwaukee Hydraulic Products Corp
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Filing: 1962-07-27
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Granted: 1964-02-11
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Expires: 1982-07-27
Abstract
No abstract record available.
Inventors
- 👤 Edward H Schultz
- 👤 Juds Donald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:38
CPC Classifications
B; B66; B66F; B66F3/00; B66F3/24; B66F3/25; B66F3/36; B66F3/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
173 words
IN A SERVICE JACK ADAPTED TO ENGAGE THE BUMPER OF A VEHICLE, SAID JACK HAVING A MOVABLE BASE, AN UPRIGHT, VERTICALLY-RECIPROCAL MEMBER MOUNTED ON SAID BASE, AND HAVING MEANS FOR RECIPROCATING SAID UPRIGHT MEMBER, A BUMPER-ENGAGING AND LIFTING STRUCTURE COMPRISING: A PAIR OF BRACKETS ON AND PROJECTING FROM SAID RECIPROCAL UPRIGHT MEMBER, EACH OF SAID BRACKETS HAVING AN APERTURE THERETHROUGH AND A DOWNWARDLY EXTENDING KEYHOLE SLOT COMMUNICATING WITH SAID APERTURE; AN ELONGATED LIFTING CHAIN LONGITUDINALLY-ADJUSTABLY CARRIED BY EACH OF SAID BRACKETS, SAID CHAINS BEING FORMED OF UNIVERSALLY-MOVABLY INTERLOCKED LINKS OF A SIZE TO PASS THROUGH SAID BRACKET APERTURES TO PERMIT LONGITUDINAL ADJUSTMENT OF SAID CHAINS, AND SAID LINKS BEING OF A SIZE TO FIT EDGEWISE IN SAID KEYHOLE SLOTS TO LOCK SAID CHAINS IN A DESIRED POSITION OF ADJUSTMENT; A BUMPER-ENGAGING HOOK MEMBER ATTACHED TO EACH OF SAID LIFTING CHAINS SAID HOOK MEMBERS HAVING FLANGED PORTIONS ADAPTED TO ENGAGE THE LOWER LONGITUDINAL EDGE OF A VEHICLE BUMPER; AND MEANS ON SAID HOOK MEMBERS ADAPTED TO RELEASABLY RETAIN SAID MEMBERS ON A VEHICLE BUMPER.
Claim 2
Dependent Claim
173 words
IN A SERVICE JACK ADAPTED TO ENGAGE THE BUMPER OF A VEHICLE, SAID JACK HAVING A MOVABLE BASE, AN UPRIGHT, VERTICALLY-RECIPROCAL MEMBER MOUNTED ON SAID BASE, AND HAVING MEANS FOR RECIPROCATING SAID UPRIGHT MEMBER, A BUMPER-ENGAGING AND LIFTING STRUCTURE COMPRISING: A PAIR OF BRACKETS ON AND PROJECTING FROM SAID RECIPROCAL UPRIGHT MEMBER, EACH OF SAID BRACKETS HAVING AN APERTURE THERETHROUGH AND A DOWNWARDLY EXTENDING KEYHOLE SLOT COMMUNICATING WITH SAID APERTURE; AN ELONGATED LIFTING CHAIN LONGITUDINALLY-ADJUSTABLY CARRIED BY EACH OF SAID BRACKETS, SAID CHAINS BEING FORMED OF UNIVERSALLY-MOVABLY INTERLOCKED LINKS OF A SIZE TO PASS THROUGH SAID BRACKET APERTURES TO PERMIT LONGITUDINAL ADJUSTMENT OF SAID CHAINS, AND SAID LINKS BEING OF A SIZE TO FIT EDGEWISE IN SAID KEYHOLE SLOTS TO LOCK SAID CHAINS IN A DESIRED POSITION OF ADJUSTMENT; A BUMPER-ENGAGING HOOK MEMBER ATTACHED TO EACH OF SAID LIFTING CHAINS SAID HOOK MEMBERS HAVING FLANGED PORTIONS ADAPTED TO ENGAGE THE LOWER LONGITUDINAL EDGE OF A VEHICLE BUMPER; AND MEANS ON SAID HOOK MEMBERS ADAPTED TO RELEASABLY RETAIN SAID MEMBERS ON A VEHICLE BUMPER.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-02-10 | 1967-08-12 | 1968-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-10 | 1971-08-12 | 1972-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-10 | 1975-08-12 | 1976-02-11 | $7700.00 | Window Closed / Lapsed |