US3077042A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trenching machine bucket cleaner
Assignee: Individual
•
Filing: 1961-08-16
•
Granted: 1963-02-12
•
Expires: 1981-08-16
Abstract
No abstract record available.
Inventors
- 👤 William L Jasper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:21
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/18; E02F3/22; E02F3/24; E02F3/248
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
AN EXCAVATING MACHINE BUCKET CLEANER COMPRISING A SHAFT ROTATABLY MOUNTED ON THE MACHINE, A SCRAPER FIXED ON SAID SHAFT AND ENGAGEABLE IN THE BUCKETS FOR REMOVING DIRT THEREFROM AND SWINGABLE TO INOPERATIVE POSITION BY OBSTRUCTIONS LODGED IN SAID BUCKETS, AND MEANS FOR YIELDINGLY RESISTING SWINGING MOVEMENT OF THE SCRAPER TOWARD INOPERATIVE POSITION AND RETURNING SAID SCRAPER TO OPERATIVE POSITION, SAID MEANS INCLUDING AN ARM FIXED ON THE SHAFT, A CYLINDER MOUNTED FOR UNIVERSAL SWING ADJUSTMENT ON THE MACHINE, A ROD SLIDABLE IN THE CYLINDER AND OPERATIVELY CONNECTED TO THE ARM, AND A COIL SPRING IN THE CYLINDER OPERATIVELY CONNECTED TO THE ROD FOR ACTUATING SAME IN ONE DIRECTION.
Claim 2
Dependent Claim
108 words
AN EXCAVATING MACHINE BUCKET CLEANER COMPRISING A SHAFT ROTATABLY MOUNTED ON THE MACHINE, A SCRAPER FIXED ON SAID SHAFT AND ENGAGEABLE IN THE BUCKETS FOR REMOVING DIRT THEREFROM AND SWINGABLE TO INOPERATIVE POSITION BY OBSTRUCTIONS LODGED IN SAID BUCKETS, AND MEANS FOR YIELDINGLY RESISTING SWINGING MOVEMENT OF THE SCRAPER TOWARD INOPERATIVE POSITION AND RETURNING SAID SCRAPER TO OPERATIVE POSITION, SAID MEANS INCLUDING AN ARM FIXED ON THE SHAFT, A CYLINDER MOUNTED FOR UNIVERSAL SWING ADJUSTMENT ON THE MACHINE, A ROD SLIDABLE IN THE CYLINDER AND OPERATIVELY CONNECTED TO THE ARM, AND A COIL SPRING IN THE CYLINDER OPERATIVELY CONNECTED TO THE ROD FOR ACTUATING SAME IN ONE DIRECTION.
References Cited (Backward Citations)
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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) | 1966-02-11 | 1966-08-13 | 1967-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-11 | 1970-08-13 | 1971-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-11 | 1974-08-13 | 1975-02-12 | $7700.00 | Window Closed / Lapsed |