Patent US3156306A successfully refreshed from Google Patents.
US3156306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carrier for multisection farm implements
Assignee: Individual
•
Filing: 1962-09-04
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Granted: 1964-11-10
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Expires: 1982-09-04
Abstract
No abstract record available.
Inventors
- 👤 John S Dunker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:16
CPC Classifications
A; A01; A01B; A01B23/00; A01B23/04; A01B23/046; A01B35/00; A01B35/16; A01B73/00; A01B73/02; A01B73/04; A01B73/044
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
143 words
A CARRIER FOR MULTISECTION IMPLEMENTS COMPRISING: A WHEEL-SUPPORTED FRAME HAVING A LONGITUDINALLY EXTENDING CENTER MEMBER; SAID CENTER MEMBER BEING INCLINED UPWARDLY WITH RESPECT TO THE SURFACE OF THE GROUND; GROUND-ENGAGING IMPLEMENT MEANS CONNECTED TO SAID FRAME AND DISPOSED GENERALLY BELOW THE UPPER INCLINED END OF SAID CENTER MEMBER; SAID IMPLEMENT MEANS COMPRISING AT LEAST ONE INBOARD SECTION AND PLURAL OUTBOARD SECTIONS; HINGE MEANS FOLDABLY CONNECTING SAID OUTBOARD SECTIONS TO SAID INBOARD SECTION IN SIDE BY SIDE RELATION; PLURAL ELONGATED LIFTING MEANS MOUNTED UPON SAID CENTER MEMBER EACH OF WHICH IS SWINGABLE TO ONE SIDE OF SAID CENTER MEMBER; PLUNGER MEANS OPERATIVELY LINKED TO SAID LIFTING MEANS TO EFFECT SWINGING OF THE LATTER; FLEXIBLE ELEMENTS CONNECTING SAID LIFTING MEANS AND SAID SECTIONS IN LIFT FORCE TRANSMITTING RELATION; AND SAID FLEXIBLE ELEMENTS BEING CONNECTED TO TRANSMIT LIFTING FORCE TO ELEVATE SAID SECTIONS ABOVE THE SURFACE
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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) | 1967-11-10 | 1968-05-11 | 1968-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-10 | 1972-05-11 | 1972-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-10 | 1976-05-11 | 1976-11-10 | $7700.00 | Window Closed / Lapsed |