US3297097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wheeled tandem disc harrow
Assignee: ATHENS PLOW CO
•
Filing: 1965-01-21
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Granted: 1967-01-10
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Expires: 1985-01-21
Abstract
No abstract record available.
Inventors
- 👤 Joseph E Pryor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 16:25
CPC Classifications
A; A01; A01B; A01B21/00; A01B21/08; A01B21/083
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
365 words
A DISC HARROW COMPRISING: (A) A MAIN FRAME COMPRISING A FRONT FRAME ASSEMBLY AND A REAR FRAME ASSEMBLY, SAID FRONT FRAME ASSEMBLY BEING PIVOTALLY CONNECTED TO SAID REAR FRAME ASSEMBLY, (B) A TONGUE CONNECTED TO SAID FRONT FRAME ASSEMBLY AND ADAPTED TO BE ATTACHED TO A SOURCE OF POWER, (C) A LEVELING MEANS RESILIENTLY CONNECTED BETWEEN SAID TONGUE AND SAID FRONT FRAME FOR RESILIENTLY AND ADJUSTABLY POSITIONING SAID TONGUE WITH RESPECT TO SAID FRONT FRAME ASSEMBLY, (D) A FRONT PAIR OF DISC GANGS DISPOSED ON EACH SIDE OF SAID FRONT FRAME ASSEMBLY, (1) SAID FRONT PAIR OF DISC GANGS EACH BEING PIVOTALLY CONNECTED AT THEIR INNER ENDS TO SAID FRONT FRAME ASSEMBLY, (2) ADJUSTABLE ANGLING STRAPS CONNECTING THE OUTER ENDS OF EACH OF SAID FRONT PAIR OF DISC GANGS TO SAID FRONT FRAME ASSEMBLY WHEREBY SAID FRONT PAIR OF DISC GANGS CAN BE ADJUSTED IN THE HORIZONTAL PLANE WITH RESPECT TO SAID MAIN FRAME, (E) A LEVELING MEANS CONNECTED BETWEEN SAID FRONT FRAME ASSEMBLY AND SAID REAR FRAME ASSEMBLY FOR RESILIENTLY ADJUSTING SAID FRONT FRAME ASSEMBLY AND SAID REAR FRAME ASSEMBLY WITH RE SPECT TO EACH OTHER IN THE VERTICAL POSITION, (F) A REAR PAIR OF DISC GANGS DISPOSED ON EACH SIDE OF SAID REAR FRAME ASSEMBLY, (1) SAID REAR PAIR OF DISC GANGS EACH BEING PIVOTALLY CONNECTED AT THEIR INNER ENDS TO SAID REAR FRAME ASSEMBLY, (2) ADJUSTABLE ANGLING STRAPS CONNECTING THE OUTER ENDS OF EACH OF SAID REAR PAIR OF DISC GANGS TO SAID FRONT FRAME ASSEMBLY WHEREBY SAID REAR PAIR OF DISC GANGS CAN BE ADJUSTED IN THE HORIZONTAL PLANE WITH RESPECT TO SAID MAIN FRAME, (G) LEVELING RODS RESILIENTLY CONNECTED BETWEEN SAID FRONT FRAME ASSEMBLY AND EACH OF SAID FRONT DISC GANGS AND BETWEEN SAID REAR FRAME ASSEMBLY AND EACH OF SAID REAR DISC GANGS WHEREBY EACH DISC GANG IS PERMITTED TO BE INDEPENDENTLY RAISED OR LOWERED WITH RESPECT TO EACH OTHER, (H) A WHEEL CARRIAGE ASSEMBLY CONNECTED TO SAID MAIN FRAME AND ADAPTED TO TRANSPORT SAID DISC HARROW, AND (I) HYDRAULIC MEANS CONNECTED BETWEEN SAID MAIN FRAME ASSEMBLY AND SAID WHEEL CARRIAGE ASSEMBLY AND ADAPTED TO RAISE AND LOWER SAID WHEEL CARRIAGE ASSEMBLY WITH RESPECT TO SAID MAIN FRAME ASSEMBLY.
Claim 2
Dependent Claim
365 words
A DISC HARROW COMPRISING: (A) A MAIN FRAME COMPRISING A FRONT FRAME ASSEMBLY AND A REAR FRAME ASSEMBLY, SAID FRONT FRAME ASSEMBLY BEING PIVOTALLY CONNECTED TO SAID REAR FRAME ASSEMBLY, (B) A TONGUE CONNECTED TO SAID FRONT FRAME ASSEMBLY AND ADAPTED TO BE ATTACHED TO A SOURCE OF POWER, (C) A LEVELING MEANS RESILIENTLY CONNECTED BETWEEN SAID TONGUE AND SAID FRONT FRAME FOR RESILIENTLY AND ADJUSTABLY POSITIONING SAID TONGUE WITH RESPECT TO SAID FRONT FRAME ASSEMBLY, (D) A FRONT PAIR OF DISC GANGS DISPOSED ON EACH SIDE OF SAID FRONT FRAME ASSEMBLY, (1) SAID FRONT PAIR OF DISC GANGS EACH BEING PIVOTALLY CONNECTED AT THEIR INNER ENDS TO SAID FRONT FRAME ASSEMBLY, (2) ADJUSTABLE ANGLING STRAPS CONNECTING THE OUTER ENDS OF EACH OF SAID FRONT PAIR OF DISC GANGS TO SAID FRONT FRAME ASSEMBLY WHEREBY SAID FRONT PAIR OF DISC GANGS CAN BE ADJUSTED IN THE HORIZONTAL PLANE WITH RESPECT TO SAID MAIN FRAME, (E) A LEVELING MEANS CONNECTED BETWEEN SAID FRONT FRAME ASSEMBLY AND SAID REAR FRAME ASSEMBLY FOR RESILIENTLY ADJUSTING SAID FRONT FRAME ASSEMBLY AND SAID REAR FRAME ASSEMBLY WITH RE SPECT TO EACH OTHER IN THE VERTICAL POSITION, (F) A REAR PAIR OF DISC GANGS DISPOSED ON EACH SIDE OF SAID REAR FRAME ASSEMBLY, (1) SAID REAR PAIR OF DISC GANGS EACH BEING PIVOTALLY CONNECTED AT THEIR INNER ENDS TO SAID REAR FRAME ASSEMBLY, (2) ADJUSTABLE ANGLING STRAPS CONNECTING THE OUTER ENDS OF EACH OF SAID REAR PAIR OF DISC GANGS TO SAID FRONT FRAME ASSEMBLY WHEREBY SAID REAR PAIR OF DISC GANGS CAN BE ADJUSTED IN THE HORIZONTAL PLANE WITH RESPECT TO SAID MAIN FRAME, (G) LEVELING RODS RESILIENTLY CONNECTED BETWEEN SAID FRONT FRAME ASSEMBLY AND EACH OF SAID FRONT DISC GANGS AND BETWEEN SAID REAR FRAME ASSEMBLY AND EACH OF SAID REAR DISC GANGS WHEREBY EACH DISC GANG IS PERMITTED TO BE INDEPENDENTLY RAISED OR LOWERED WITH RESPECT TO EACH OTHER, (H) A WHEEL CARRIAGE ASSEMBLY CONNECTED TO SAID MAIN FRAME AND ADAPTED TO TRANSPORT SAID DISC HARROW, AND (I) HYDRAULIC MEANS CONNECTED BETWEEN SAID MAIN FRAME ASSEMBLY AND SAID WHEEL CARRIAGE ASSEMBLY AND ADAPTED TO RAISE AND LOWER SAID WHEEL CARRIAGE ASSEMBLY WITH RESPECT TO SAID MAIN FRAME ASSEMBLY.
References Cited (Backward Citations)
US443793A
Cited
USRE22627E
Cited
CA589641A
Cited
US1412721A
Cited
USRE23190E
Cited
US2960171A
Cited
US2985247A
Cited
US3014540A
Cited
US3181621A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |