US3196911A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shearing head
Assignee: Oil States Industries Inc
•
Filing: 1962-08-06
•
Granted: 1965-07-27
•
Expires: 1982-08-06
Abstract
No abstract record available.
Inventors
- 👤 Thomas N Busch
- 👤 David W Jasper
- 👤 Benjamin E Jasper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:23
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/40; B60P3/41; A; A01; A01G; A01G23/00; A01G23/02; A01G23/08; A01G23/087; Y; Y10; Y10T; Y10T83/00; Y10T83/929; Y10T83/9411; Y10T83/9447
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
189 words
IN A TREE HARVESTING APPARATUS INCLUDING A VEHICLE, A SHEARING HEAD SUPPORTED ON SAID VEHICLE COMPRISING, A FIRST JAW PROVIDED BY A PAIR OF PLATES, BEARING BLOCK MEANS SUPPORTED AT AN INTERMEDIATE POSITION ON EACH OF THE CONFRONTING SURFACES OF SAID PLATES. A SECOND JAW PIVOTED TO SAID FIRST JAW ON ONE SIDE OF SAID BEARING BLOCK MEANS AND MOVABLE BETWEEN AND SUPPORTED BY SAID BEARING BLOCK MEANS, A CUTTING BLADE ON SAID SECOND JAW ON THE OTHER SIDE OF SAID BEARING BLOCK MEANS AND PIVOTABLE BETWEEN A POSITION ON THE OTHER SIDE OF SAID BEARING BLOCK MEANS, PLATES ON THE OTHER SIDE OF SAID BEARING BLOCK MEANS, A PLURALITY OF SPACERS POSITIONED BETWEEN SAID PLATES ON SAID OTHER SIDE OF SAID BEARING BLOCK MEANS AND SPACED FROM EACHOTHER AND FROM THE EDGE OF SAID PLATES CONFRONTING SAID CUTTING BLADE AND PROVIDING UNOBSTRUCTED PASSAGEWAYS BETWEEN SAID PLATES TO PERMIT SCRAP MATERIAL FROM A CUT TO PASS BETWEEN SAID PLATES, AND FLUID OPERATED CYLINDER AND PISTON MEANS EXTENDING BETWEEN AND PIVOTALLY CONNECTED TO SAID FIRST JAW AND TO SAID CUTTING BLADE PORTION OF SAID SECOND JAW FOR ACTUAING SAID JAWS.
Claim 2
Dependent Claim
189 words
IN A TREE HARVESTING APPARATUS INCLUDING A VEHICLE, A SHEARING HEAD SUPPORTED ON SAID VEHICLE COMPRISING, A FIRST JAW PROVIDED BY A PAIR OF PLATES, BEARING BLOCK MEANS SUPPORTED AT AN INTERMEDIATE POSITION ON EACH OF THE CONFRONTING SURFACES OF SAID PLATES. A SECOND JAW PIVOTED TO SAID FIRST JAW ON ONE SIDE OF SAID BEARING BLOCK MEANS AND MOVABLE BETWEEN AND SUPPORTED BY SAID BEARING BLOCK MEANS, A CUTTING BLADE ON SAID SECOND JAW ON THE OTHER SIDE OF SAID BEARING BLOCK MEANS AND PIVOTABLE BETWEEN A POSITION ON THE OTHER SIDE OF SAID BEARING BLOCK MEANS, PLATES ON THE OTHER SIDE OF SAID BEARING BLOCK MEANS, A PLURALITY OF SPACERS POSITIONED BETWEEN SAID PLATES ON SAID OTHER SIDE OF SAID BEARING BLOCK MEANS AND SPACED FROM EACHOTHER AND FROM THE EDGE OF SAID PLATES CONFRONTING SAID CUTTING BLADE AND PROVIDING UNOBSTRUCTED PASSAGEWAYS BETWEEN SAID PLATES TO PERMIT SCRAP MATERIAL FROM A CUT TO PASS BETWEEN SAID PLATES, AND FLUID OPERATED CYLINDER AND PISTON MEANS EXTENDING BETWEEN AND PIVOTALLY CONNECTED TO SAID FIRST JAW AND TO SAID CUTTING BLADE PORTION OF SAID SECOND JAW FOR ACTUAING SAID JAWS.
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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) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |