Patent US4015522A successfully refreshed from Google Patents.
Patent US3564823A successfully refreshed from Google Patents.
US3564823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power rake
Assignee: PARKER SWEEPER Co
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Filing: 1970-03-02
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Granted: 1971-02-23
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Expires: 1990-03-02
Abstract
Abstract AN ASSEMBLY FOR A TURF TREATING MACHINE INCLUDING A ROTATABLE SHAFT, SPACED BEARINGS FOR THE SHAFT IN BEARING PLATES, MEANS BEING PROVIDED FOR ATTACHING THE ASSEMBLY BY THE BEARING PLATES TO TWO SUPPORTS. SPECIFICALLY, THE SUPPORTS ON THE MCHINE ARE PROVIDED WITH SLOTS WHICH RECEIVE STUDS CARRIED BY THE BEARING PLATES. CAM LOCKING LEVERS ARE MOVABLE FOR LOCKING THE STUDS IN THE SLOTS.
Inventors
- 👤 Loy D Rhoads
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:50
CPC Classifications
A; A01; A01D; A01D78/00; A01D78/02; A01G; A01G20/00; A01G20/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |