Patent US3034610A successfully refreshed from Google Patents.
Patent US3275086A successfully refreshed from Google Patents.
US3275086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring release locking attachment for cultivator shanks
Assignee: Individual
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Filing: 1964-02-26
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Granted: 1966-09-27
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Expires: 1984-02-26
Abstract
No abstract record available.
Inventors
- 👤 Morris George Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:34
CPC Classifications
A; A01; A01B; A01B61/00; A01B61/04; A01B61/044; A01B61/046
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
IN A SPRING RELEASE MOUNTING FOR A CULTIVATOR SHANK, THE CULTIVATOR INCLUDING A CROSS FRAME BAR TO WHICH THE SHANK IS ATTACHED, A BRACKET ON THE CROSS FRAME BAR, MEANS REARWARDLY PIVOTALLY ATTACHING THE SHANK TO THE BRACKET WITH THE SHANK SUSPENDED BELOW AND PROJECTING FORWARDLY OF THE BRACKET, A ROCKER PLATE PIVOTALLY MOUNTED ON THE CROSS FRAME BAR BRACKET VERTICALLY DISPOSED AND PROJECTING UPWARDLY AND FORWARDLY OF THE BRACKET, LINKS PIVOTALLY ATTACHING TO THE UPPER FORWARD PORTION OF THE ROCKER PLATE, MEANS PIVOTALLY ATTACHING THE LINKS TO THE SHANK FORWARDLY OF THE FRAME BAR BRACKET, A SPRING MOUNTING BRACKET ON THE CROSS FRAME BAR BRACKET PROJECTING REARWARDLY, AND AN EXPANSION SPRING REARWARDLY ANCHORED TO THE REARWARDLY PROJECTING BRACKET AND FORWARDLY CONNECTED TO THE ROCKER PLATE, AND BY WHICH UPWARD MOVEMENT OF THE SHANK REAR PORTION BY THE LINK CONNECTION OF ITS FORWARD PORTION WITH THE ROCKER PLATE PIVOTS THE ROCKER PLATE FORWARD AND THE MOVEMENT OF THE SHANK IS THEREBY OPPOSED BY SAID SPRING.
Claim 2
Dependent Claim
165 words
IN A SPRING RELEASE MOUNTING FOR A CULTIVATOR SHANK, THE CULTIVATOR INCLUDING A CROSS FRAME BAR TO WHICH THE SHANK IS ATTACHED, A BRACKET ON THE CROSS FRAME BAR, MEANS REARWARDLY PIVOTALLY ATTACHING THE SHANK TO THE BRACKET WITH THE SHANK SUSPENDED BELOW AND PROJECTING FORWARDLY OF THE BRACKET, A ROCKER PLATE PIVOTALLY MOUNTED ON THE CROSS FRAME BAR BRACKET VERTICALLY DISPOSED AND PROJECTING UPWARDLY AND FORWARDLY OF THE BRACKET, LINKS PIVOTALLY ATTACHING TO THE UPPER FORWARD PORTION OF THE ROCKER PLATE, MEANS PIVOTALLY ATTACHING THE LINKS TO THE SHANK FORWARDLY OF THE FRAME BAR BRACKET, A SPRING MOUNTING BRACKET ON THE CROSS FRAME BAR BRACKET PROJECTING REARWARDLY, AND AN EXPANSION SPRING REARWARDLY ANCHORED TO THE REARWARDLY PROJECTING BRACKET AND FORWARDLY CONNECTED TO THE ROCKER PLATE, AND BY WHICH UPWARD MOVEMENT OF THE SHANK REAR PORTION BY THE LINK CONNECTION OF ITS FORWARD PORTION WITH THE ROCKER PLATE PIVOTS THE ROCKER PLATE FORWARD AND THE MOVEMENT OF THE SHANK IS THEREBY OPPOSED BY SAID SPRING.
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) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |