US3220172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Side delivery rakes
Assignee: Individual
•
Filing: 1964-04-21
•
Granted: 1965-11-30
•
Expires: 1984-04-21
Abstract
No abstract record available.
Inventors
- 👤 George C Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:28
CPC Classifications
A; A01; A01D; A01D78/00; A01D78/08; A01D78/14; A01D78/148
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
79 words
IN A RAKE, THE COMBINATION OF A WHEELED FRAME, AND A RAKING WHEEL ASSEMBLY SUPPORTED BY SAID FRAME, SAID ASSEMBLY INCLUDING A SET OF SUBSTANIALLY LONGITUDINALLY ALIGNED CONNECTING BARS, A SET OF STUB SHAFT CONNECTING SAID BARS TOGETHER IN END TO END RELATION WHEREBY THE ASSEMBLY IS ARTICULATD, AND A SET OF RAKING WHEELS ROTATABLY MOUNTED ON SAID STUB SHAFTS, SAID WHEELS BEING CAPABLE OF INDIVIDUAL RAISING AND LOWERING MOVEMENT IN THE ARTICULATED ASSEMBLY TO COMPENSATE FOR EVEN GROUND.
References Cited (Backward Citations)
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Cited
US2811009A
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US2922271A
Cited
US2727351A
Cited
US2796723A
Cited
US2993325A
Cited
US2991613A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |