US3233681A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Implement control device for plant thinning machines
Assignee: Individual
•
Filing: 1963-12-27
•
Granted: 1966-02-08
•
Expires: 1983-12-27
Abstract
No abstract record available.
Inventors
- 👤 Ferte Andre Marie Auguste
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:02
CPC Classifications
A; A01; A01B; A01B41/00; A01B41/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A FARMING MACHINE DESIGNED FOR PREFORMING THINNING OUT OPERATIONS ON BEETROOT AND THE LIKE BY MEANS OF ELECTROMAGNETICALLY-CONTROLLED RETRACTABLE IMPLEMENTS, COMPRISING AN ENERGIZING CIRCUIT FOR THE ELECTROMAGNETIC CONTROL OF SAID IMPLEMENTS, A SOURCE OF ELECTRI CURRENT, A PLANT FEELER AND TWO SWITCHES CONNECTED IN SERIES IN SAID CIRCUIT, A ROTARY MEMBER ADAPTED TO ACTUATE EACH OF SAID SWITCHES TO OPENING AND CLOSURE ONCE FOR EVERY REVOLUTION OF SAID MEMBER, MECHANICAL DRIVE MEANS RESPONSIVE TO THE PROGRESSION OF SAID MACHINE FOR DRIVING SAID ROTARY MEMBER, AND MEANS FOR ANGULARLY ADJUSTING THE POSITION OF ONE SWITCH RELATIVE TO THE OTHER WITH RESPECT TO SAID ROTARY MEMBER WHEREBY THE FRACTION OF THE REVOLUTION OF SAID MEMBER DURING WHICH THE SWITCHES ARE SIMULTANEOUSLY CLOSED IS ADJUSTED ACCORDINGLY.
Claim 2
Dependent Claim
123 words
A FARMING MACHINE DESIGNED FOR PREFORMING THINNING OUT OPERATIONS ON BEETROOT AND THE LIKE BY MEANS OF ELECTROMAGNETICALLY-CONTROLLED RETRACTABLE IMPLEMENTS, COMPRISING AN ENERGIZING CIRCUIT FOR THE ELECTROMAGNETIC CONTROL OF SAID IMPLEMENTS, A SOURCE OF ELECTRI CURRENT, A PLANT FEELER AND TWO SWITCHES CONNECTED IN SERIES IN SAID CIRCUIT, A ROTARY MEMBER ADAPTED TO ACTUATE EACH OF SAID SWITCHES TO OPENING AND CLOSURE ONCE FOR EVERY REVOLUTION OF SAID MEMBER, MECHANICAL DRIVE MEANS RESPONSIVE TO THE PROGRESSION OF SAID MACHINE FOR DRIVING SAID ROTARY MEMBER, AND MEANS FOR ANGULARLY ADJUSTING THE POSITION OF ONE SWITCH RELATIVE TO THE OTHER WITH RESPECT TO SAID ROTARY MEMBER WHEREBY THE FRACTION OF THE REVOLUTION OF SAID MEMBER DURING WHICH THE SWITCHES ARE SIMULTANEOUSLY CLOSED IS ADJUSTED ACCORDINGLY.
References Cited (Backward Citations)
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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) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |