US3097702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for thinning growing seedlings, and hoeing between plants, growing in rows
Assignee: Individual
•
Filing: 1961-06-02
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Granted: 1963-07-16
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Expires: 1981-06-02
Abstract
No abstract record available.
Inventors
- 👤 Cracknell John
- 👤 Cracknell John Colin
- 👤 Cooper Derek Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:11
CPC Classifications
A; A01; A01B; A01B41/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
APPARATUS FOR THINNING OUT OR WEEDING BETWEEN PLANTS OR SEEDLINGS GROWING IN ROWS COMPRISING A CHASSIS, MEANS FOR SUPPORTING THE CHASSIS FOR MOVEMENT OVER THE GROUND, A PLANT CUTTING DEVICE, ACTUATING MEANS FOR RETRACTING SAID CUTTING DEVICE TO AN INOPERATIVE POSITION AND RETAINING IT IN THIS POSITION FOR A PREDETERMINED TIME, AND FOR THEN RETURNING THE DEVICE TO AN OPERATIVE CUTTING POSITION, SAID ACTUATING MEANS COMPRISING A SWINGABLE LINK SUPPORTING THE CUTTING DEVICE AND AN OSCILLATABLE SHAFT SUPPORTED BY THE CHASSIS AND TO WHICH ONE END OF SAID LINK IS FIXED, MEANS FOR COUPLING SAID SHAFT TO A SOURCE OF POWER, A SOLENOID FOR ACTUATING SAID COUPLING MEANS, A SWITCH
Claim 2
Dependent Claim
110 words
APPARATUS FOR THINNING OUT OR WEEDING BETWEEN PLANTS OR SEEDLINGS GROWING IN ROWS COMPRISING A CHASSIS, MEANS FOR SUPPORTING THE CHASSIS FOR MOVEMENT OVER THE GROUND, A PLANT CUTTING DEVICE, ACTUATING MEANS FOR RETRACTING SAID CUTTING DEVICE TO AN INOPERATIVE POSITION AND RETAINING IT IN THIS POSITION FOR A PREDETERMINED TIME, AND FOR THEN RETURNING THE DEVICE TO AN OPERATIVE CUTTING POSITION, SAID ACTUATING MEANS COMPRISING A SWINGABLE LINK SUPPORTING THE CUTTING DEVICE AND AN OSCILLATABLE SHAFT SUPPORTED BY THE CHASSIS AND TO WHICH ONE END OF SAID LINK IS FIXED, MEANS FOR COUPLING SAID SHAFT TO A SOURCE OF POWER, A SOLENOID FOR ACTUATING SAID COUPLING MEANS, A SWITCH
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |