US3155168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chisel and sweep plow
Assignee: Individual
•
Filing: 1962-12-20
•
Granted: 1964-11-03
•
Expires: 1982-12-20
Abstract
No abstract record available.
Inventors
- 👤 Richard C Telecky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 16:03
CPC Classifications
A; A01; A01B; A01B63/00; A01B63/14; A01B63/24; A01B63/32; A01B35/00; A01B35/20; A01B35/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A SWEEP PLOW COMPRISING A MAIN SUPPORT FRAME INCLUDING FRONT AND REAR SUPPORTING WHEELS AT THE FRONT AND REAR ENDS OF SAID SUPPORT FRAME RESPECTIVELY, A GENERALLY HORIZONTALLY DISPOSED LIFT FRAME, PARALLELOGRAM LINKAGE MEANS MOUNTING SAID LIFT FRAME ON SAID MAIN FRAME FOR GUIDED VERTICAL ADJUSTMENT RELATIVE TO SAID MAIN FRAME WHILE MAINTAINING THE GENERALLY HORIZONTAL ATTITUDE OF SAID LIFT FRAME, A PLURALITY OF DEPENDING EARTH WORKING MEMBERS SUPPORTED FROM SAID LIFT FRAME FOR VERTICAL ADJUSTMENT RELATIVE TO SAID MAIN SUPPORT FRAME SIMULTANEOUSLY WITH SAID LIFT FRAME, AND AN ELONGATED TOW HITCH SECURED AT ITS REAR END TO THE FRONT END OF SAID LIFT FRAME FOR MOVEMENT ABOUT A HORIZONTAL TRANSVERSE AXIS DISPOSED BELOW THE
Claim 2
Dependent Claim
115 words
A SWEEP PLOW COMPRISING A MAIN SUPPORT FRAME INCLUDING FRONT AND REAR SUPPORTING WHEELS AT THE FRONT AND REAR ENDS OF SAID SUPPORT FRAME RESPECTIVELY, A GENERALLY HORIZONTALLY DISPOSED LIFT FRAME, PARALLELOGRAM LINKAGE MEANS MOUNTING SAID LIFT FRAME ON SAID MAIN FRAME FOR GUIDED VERTICAL ADJUSTMENT RELATIVE TO SAID MAIN FRAME WHILE MAINTAINING THE GENERALLY HORIZONTAL ATTITUDE OF SAID LIFT FRAME, A PLURALITY OF DEPENDING EARTH WORKING MEMBERS SUPPORTED FROM SAID LIFT FRAME FOR VERTICAL ADJUSTMENT RELATIVE TO SAID MAIN SUPPORT FRAME SIMULTANEOUSLY WITH SAID LIFT FRAME, AND AN ELONGATED TOW HITCH SECURED AT ITS REAR END TO THE FRONT END OF SAID LIFT FRAME FOR MOVEMENT ABOUT A HORIZONTAL TRANSVERSE AXIS DISPOSED BELOW THE
References Cited (Backward Citations)
US250512A
Cited
US2969119A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-03 | 1968-05-04 | 1968-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-03 | 1972-05-04 | 1972-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-03 | 1976-05-04 | 1976-11-03 | $7700.00 | Window Closed / Lapsed |