Patent US4737924A successfully refreshed from Google Patents.
Patent US3351357A successfully refreshed from Google Patents.
US3351357A
Expired / Lapsed
US
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Agricultural implement coupler
Assignee: Individual
•
Filing: 1965-10-22
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Granted: 1967-11-07
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Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Ralph D Van Eaton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:52
CPC Classifications
A; A01; A01B; A01B59/00; A01B59/04; A01B59/042
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A COUPLER MECHANISM FOR USE BETWEEN A VEHICLE AND AN IMPLEMENT COMPRISING MEANS FOR MOUNTING SAID COUPLER MECHANISM ON SAID VEHICLE, RECEIVING MEMBERS PIVOTAL LATERALLY ON SAID MOUNTING MEANS EACH HAVING A MOUTH WITH A PIVOTAL LOCKING MEMBER, ADJUSTABLE MEANS RETAINING SAID RECEIVING MEMBERS IN A PRESELECTED SPACED-APART RELATIONSHIP, EACH OF SAID RECEIVING MEMBERS ADAPTED TO RECEIVE A MEMBER FORMING PART OF SAID IMPLEMENT, A CONTROL ASSEMBLY FOR SAID PIVOTAL LOCKING MEMBER, AND MEANS FORMING PART OF EACH CONTROL ASSEMBLY SELECTIVELY MAINTAINING SAID PIVOTAL LOCKING MEMBER ON LATCHING AND UNLATCHING RELATIONSHIPS WITH SAID MEMBER FORMING PART OF SAID IMPLEMENT.
Claim 2
Dependent Claim
99 words
A COUPLER MECHANISM FOR USE BETWEEN A VEHICLE AND AN IMPLEMENT COMPRISING MEANS FOR MOUNTING SAID COUPLER MECHANISM ON SAID VEHICLE, RECEIVING MEMBERS PIVOTAL LATERALLY ON SAID MOUNTING MEANS EACH HAVING A MOUTH WITH A PIVOTAL LOCKING MEMBER, ADJUSTABLE MEANS RETAINING SAID RECEIVING MEMBERS IN A PRESELECTED SPACED-APART RELATIONSHIP, EACH OF SAID RECEIVING MEMBERS ADAPTED TO RECEIVE A MEMBER FORMING PART OF SAID IMPLEMENT, A CONTROL ASSEMBLY FOR SAID PIVOTAL LOCKING MEMBER, AND MEANS FORMING PART OF EACH CONTROL ASSEMBLY SELECTIVELY MAINTAINING SAID PIVOTAL LOCKING MEMBER ON LATCHING AND UNLATCHING RELATIONSHIPS WITH SAID MEMBER FORMING PART OF SAID IMPLEMENT.
References Cited (Backward Citations)
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Cited
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Cited
US3065977A
Cited
US3116075A
Cited
US3220751A
Cited
US3312478A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-06 | 1971-05-08 | 1971-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-06 | 1975-05-08 | 1975-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-06 | 1979-05-08 | 1979-11-07 | $7700.00 | Window Closed / Lapsed |