US3097439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scarifier attachment
Assignee: Individual
•
Filing: 1962-01-12
•
Granted: 1963-07-16
•
Expires: 1982-01-12
Abstract
No abstract record available.
Inventors
- 👤 Calkin Fenton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:21
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/36; E02F3/40; E02F3/402; E02F3/96; E02F3/962; E02F9/00; E02F9/28; E02F9/2875
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
IN AN EARTH WORKING MACHINE, IN COMBINATION, A FRONT END LOADER BUCKET PROVIDED AT ITS BOTTOM END WITH A SCRAPER BLADE PROJECTING FORWARDLY AND OUTWARDLY THEREFROM, AND PROVIDED AT ITS UPPER END WITH A RIGID TRANSVERSE MEMBER ARRANGED IN SUBSTANTIAL PARALLELISM WITH SAID SCRAPER BLADE AND PROJECTING FORWARDLY AND OUTWARDLY FROM SAID BUCKET, AND SAID BUCKET HAVING RIGID SIDE MEMBERS BETWEEN THE ENDS OF SAID BLADE AND TRANSVERSE MEMBER, A PAIR OF ARMS PIVOTALLY CONNECTED TO SAID SIDE MEMBERS FOR PIVOTAL MOVEMENT ABOUT A TRANSVERSE AXIS LOCATED APPROXIMATELY MIDWAY BETWEEN SAID BLADE AND TRANDVERSE MEMBER AND DISPOSED IN SUBSTANTIAL PARALLELISM WITH THE LATTER, A RIGID TRANSVERSE BEAM MOUNTED ON THE OUTER ENDS OF SAID ARMS AND HAVING OPPOSTELY
Claim 2
Dependent Claim
118 words
IN AN EARTH WORKING MACHINE, IN COMBINATION, A FRONT END LOADER BUCKET PROVIDED AT ITS BOTTOM END WITH A SCRAPER BLADE PROJECTING FORWARDLY AND OUTWARDLY THEREFROM, AND PROVIDED AT ITS UPPER END WITH A RIGID TRANSVERSE MEMBER ARRANGED IN SUBSTANTIAL PARALLELISM WITH SAID SCRAPER BLADE AND PROJECTING FORWARDLY AND OUTWARDLY FROM SAID BUCKET, AND SAID BUCKET HAVING RIGID SIDE MEMBERS BETWEEN THE ENDS OF SAID BLADE AND TRANSVERSE MEMBER, A PAIR OF ARMS PIVOTALLY CONNECTED TO SAID SIDE MEMBERS FOR PIVOTAL MOVEMENT ABOUT A TRANSVERSE AXIS LOCATED APPROXIMATELY MIDWAY BETWEEN SAID BLADE AND TRANDVERSE MEMBER AND DISPOSED IN SUBSTANTIAL PARALLELISM WITH THE LATTER, A RIGID TRANSVERSE BEAM MOUNTED ON THE OUTER ENDS OF SAID ARMS AND HAVING OPPOSTELY
References Cited (Backward Citations)
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Cited
US2219160A
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US2262415A
Cited
US2615262A
Cited
US2698492A
Cited
US2699104A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |