Patent US3272560A successfully refreshed from Google Patents.
US3272560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concrete bump cutter with carriage level adjustment
Assignee: CONCUT Inc
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Filing: 1963-06-06
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Granted: 1966-09-13
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Expires: 1983-06-06
Abstract
No abstract record available.
Inventors
- 👤 Cecil W Hatcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:05
CPC Classifications
E; E01; E01C; E01C23/00; E01C23/06; E01C23/08; E01C23/085; E01C23/088
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A CONCRETE CUTTING MACHINE COMPRISING A MAIN FRAME HAVING A FORWARD CUTTER HEAD, AN EXTENSION FRAME HAVING A FRONT VEHICLE WHEEL, SAID EXTENSION FRAME HAVING A REAR PIVOTAL CONNECTION ON SAID MAIN FRAME, A REAR TRUCK HAVING A DRIVE SHAFT AND FRONT AND REAR VEHICLE WHEELS DRIVEN THEREBY, A UNIVERSAL BEARING ON OPPOSITE END OF SAID SHAFT, SAID MAIN FRAME HAVING OPPOSITE SIDES, AND MEANS FOR ADJUSTABLY SUPPORTING EACH SIDE OF THE REAR OF SAID MAIN FRAME ON ONE OF SAID BEARINGS, MEANS FOR DRIVING SAID CUTTER HEAD, MEANS FOR DRIVING SAID DRIVE SHAFT, AND MEANS FOR SUPPORTING THE FRONT OF SAID MAIN FRAME ON AN INTERMEDIATE PORTION OF SAID EXTENSION FRAME.
Claim 2
Dependent Claim
112 words
A CONCRETE CUTTING MACHINE COMPRISING A MAIN FRAME HAVING A FORWARD CUTTER HEAD, AN EXTENSION FRAME HAVING A FRONT VEHICLE WHEEL, SAID EXTENSION FRAME HAVING A REAR PIVOTAL CONNECTION ON SAID MAIN FRAME, A REAR TRUCK HAVING A DRIVE SHAFT AND FRONT AND REAR VEHICLE WHEELS DRIVEN THEREBY, A UNIVERSAL BEARING ON OPPOSITE END OF SAID SHAFT, SAID MAIN FRAME HAVING OPPOSITE SIDES, AND MEANS FOR ADJUSTABLY SUPPORTING EACH SIDE OF THE REAR OF SAID MAIN FRAME ON ONE OF SAID BEARINGS, MEANS FOR DRIVING SAID CUTTER HEAD, MEANS FOR DRIVING SAID DRIVE SHAFT, AND MEANS FOR SUPPORTING THE FRONT OF SAID MAIN FRAME ON AN INTERMEDIATE PORTION OF SAID EXTENSION FRAME.
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) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |