US3349933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pavement lifter
Assignee: Individual
•
Filing: 1965-12-27
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Granted: 1967-10-31
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Expires: 1985-12-27
Abstract
No abstract record available.
Inventors
- 👤 Edward F Simpson
- 👤 Jr Frank W Simpson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:51
CPC Classifications
E; E02; E02F; E02F9/00; E02F9/28; E02F9/2808; E02F3/00; E02F3/04; E02F3/28; E02F3/36; E02F3/40; E02F3/401
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
IN COMBINATION WITH A FRONT-END LOADER HAVING A POWER OPERATED BUCKET MOUNTED THEREON, A LIFTING UNIT DETACHABLY MOUNTING ON THE BUCKET COMPRISING, A PLURALITY OF LIFTING TINES, MEANS FOR INTERCONNECTING SAID LIFTING TINES, MEANS FOR MOUNTING SAID TINES ON THE DIGGING LIP OF SAID BUCKET WHEREBY SAID TIMES WILL BE MOVABLE WITH SAID BUCKET AS IT IS MOVED TO VARIOUS OPERATIVE POSITIONS, SAID MOUNTING MEANS COMPRISING SLOT MEANS IN EACH SAID LIFTING TINE, SAID BUCKET LIP MOVABLE INTO SAID SLOT MEANS, AND MEANS FOR RELEASABLY CONNECTING SAID LIFTING TINES TO SAID LIP AFTER IT HAS BEEN MOVED INTO SAID SLOT MEANS, SAID FIRST NAMED CONNECTING MEANS COMPRISING A PAIR OF PARALLEL SPACED APART TINE MOUNTING BARS, SAID LIFTING TINES MOUNTED ON SAID BARS AND SPACED EQUIDISTANTLY AND IN PARALLEL RELATION THEREALONG.
Claim 2
Dependent Claim
131 words
IN COMBINATION WITH A FRONT-END LOADER HAVING A POWER OPERATED BUCKET MOUNTED THEREON, A LIFTING UNIT DETACHABLY MOUNTING ON THE BUCKET COMPRISING, A PLURALITY OF LIFTING TINES, MEANS FOR INTERCONNECTING SAID LIFTING TINES, MEANS FOR MOUNTING SAID TINES ON THE DIGGING LIP OF SAID BUCKET WHEREBY SAID TIMES WILL BE MOVABLE WITH SAID BUCKET AS IT IS MOVED TO VARIOUS OPERATIVE POSITIONS, SAID MOUNTING MEANS COMPRISING SLOT MEANS IN EACH SAID LIFTING TINE, SAID BUCKET LIP MOVABLE INTO SAID SLOT MEANS, AND MEANS FOR RELEASABLY CONNECTING SAID LIFTING TINES TO SAID LIP AFTER IT HAS BEEN MOVED INTO SAID SLOT MEANS, SAID FIRST NAMED CONNECTING MEANS COMPRISING A PAIR OF PARALLEL SPACED APART TINE MOUNTING BARS, SAID LIFTING TINES MOUNTED ON SAID BARS AND SPACED EQUIDISTANTLY AND IN PARALLEL RELATION THEREALONG.
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) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |