Patent US3242995A successfully refreshed from Google Patents.
US3242995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scarifier arrangement
Assignee: Individual
•
Filing: 1963-06-27
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Granted: 1966-03-29
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Expires: 1983-06-27
Abstract
No abstract record available.
Inventors
- 👤 Keusder Walter Wayne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:27
CPC Classifications
E; E01; E01C; E01C23/00; E01C23/06; E01C23/08; E01C23/082; E02; E02F; E02F3/00; E02F3/04; E02F3/76; E02F3/7604
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
197 words
AN IMPROVED SCARIFIER OF THE TYPE ADAPTED TO BE MOVED ALONG A SURFACE TO BE SCARIFIED BY A MOBILE VEHICLE COMPRISING, IN COMBINATION: A FIRST FRAME MEMBER SLIDINGLY MOUNTED ON SAID MOBILE VEHICLE AND ADAPTED TO BE MOVED LATERALLY OF SAID VEHICLE; MEANS FOR MOVING SAID FIRST FRAME MEMBER LATERALLY OF SAID MOBILE VEHICLE; A SECOND FRAME MEMBER; A PLURALITY OF LINK MEMBERS HAVING FIRST ENDS MOUNTED FOR PIVOTAL MOTION WITH RESPECT TO SAID FIRST FRAME MEMBER AND SECOND ENDS PIVOTALLY COUPLED TO SAID SECOND FRAME MEMBER TO PERMIT RELATIVE RAISING AND LOWERING OF SAID SECOND FRAME MEMBER WITH RESPECT TO SAID FIRST MEMBER, AND SAID SECOND FRAME MEMBER MOVING LATERALLY WITH SAID LATERAL MOVEMENT OF SAID FIRST FRAME MEMBER; A SCARIFIER HEAD COUPLED TO SAID SECOND FRAME MEMBER AND HAVING TOOTH MEMBERS ADAPTED TO ENGAGE THE SURFACE TO BE SCARIFIED; MEANS COUPLED TO SAID SECOND FRAMEMEMBER FOR RAISING AND LOWERING SAID SECOND FRAME MEMBER RELATIVE TO FIRST FRAME MEMBER TO SELECTIVELY MOVE SAID TOOTH MEMBERS IN ENGAGEMENT WITH AND DISENGAGEMENT FROM THE SURFACE TO BE SCARIFIED; AND MEANS FOR MAINTAINING SAID SCARIFIER TOOTH MEMBERS IN ENGAGEMENT WITH THE SURFACE TO BE SCARIFIED AT A PRESELECTED FORCE.
Claim 2
Dependent Claim
197 words
AN IMPROVED SCARIFIER OF THE TYPE ADAPTED TO BE MOVED ALONG A SURFACE TO BE SCARIFIED BY A MOBILE VEHICLE COMPRISING, IN COMBINATION: A FIRST FRAME MEMBER SLIDINGLY MOUNTED ON SAID MOBILE VEHICLE AND ADAPTED TO BE MOVED LATERALLY OF SAID VEHICLE; MEANS FOR MOVING SAID FIRST FRAME MEMBER LATERALLY OF SAID MOBILE VEHICLE; A SECOND FRAME MEMBER; A PLURALITY OF LINK MEMBERS HAVING FIRST ENDS MOUNTED FOR PIVOTAL MOTION WITH RESPECT TO SAID FIRST FRAME MEMBER AND SECOND ENDS PIVOTALLY COUPLED TO SAID SECOND FRAME MEMBER TO PERMIT RELATIVE RAISING AND LOWERING OF SAID SECOND FRAME MEMBER WITH RESPECT TO SAID FIRST MEMBER, AND SAID SECOND FRAME MEMBER MOVING LATERALLY WITH SAID LATERAL MOVEMENT OF SAID FIRST FRAME MEMBER; A SCARIFIER HEAD COUPLED TO SAID SECOND FRAME MEMBER AND HAVING TOOTH MEMBERS ADAPTED TO ENGAGE THE SURFACE TO BE SCARIFIED; MEANS COUPLED TO SAID SECOND FRAMEMEMBER FOR RAISING AND LOWERING SAID SECOND FRAME MEMBER RELATIVE TO FIRST FRAME MEMBER TO SELECTIVELY MOVE SAID TOOTH MEMBERS IN ENGAGEMENT WITH AND DISENGAGEMENT FROM THE SURFACE TO BE SCARIFIED; AND MEANS FOR MAINTAINING SAID SCARIFIER TOOTH MEMBERS IN ENGAGEMENT WITH THE SURFACE TO BE SCARIFIED AT A PRESELECTED FORCE.
References Cited (Backward Citations)
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US976729A
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US1495277A
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US2110790A
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US2653795A
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US3019923A
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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) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |