Patent US3341253A successfully refreshed from Google Patents.
US3341253A
Expired / Lapsed
US
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Ripper apparatus and method of using same
Assignee: Individual
•
Filing: 1964-11-13
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Granted: 1967-09-12
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Expires: 1984-11-13
Abstract
No abstract record available.
Inventors
- 👤 Morgan D Hostetter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:43
CPC Classifications
E; E02; E02F; E02F5/00; E02F5/30; E02F5/32; E02F9/00; E02F9/28; E02F9/2808; E02F9/2816; E02F9/2833; E02F9/2841
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
97 words
THAT METHOD OF RIPPING HARD TERRAIN AND UTILIZING THE WEIGHT OF FRESHLY RIPPED MATERIAL TO INCREASE THE EFFECTIVE TRACTION FORCES OF A TRACTOR HAULING A RIPPER WHICH METHOD COMPRISES, UTILIZING PARALLELOGRAM LINKAGE MEANS TO COUPLE THE FORWARD END OF TERRAIN RIPPER MEANS TO THE MID-LENGTH OF THE FRAME OF A TRACK LAYING TRACTOR HAVING A FRAME, ATTACHING A RIPPER TOOTH TO THE LOWER FORWARD END OF A RIPPER SHANK FORMING PART OF SAID RIPPER MEANS, PROVIDING AN ADJUSTABLE RIGID DRAFT-TRANSMITTING CONNECTION BETWEEN THE RIPPER MEANS AND THE MID-LENGHT OF THE TRACTOR FRAME, UTILIZING SAID ADJUSTABLE DRAFT CONNECTION
References Cited (Backward Citations)
US3002574A
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US2985973A
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US3085635A
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US3024851A
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US3121289A
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US3116797A
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US3196956A
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US3225467A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |