US3472322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic farming system
Assignee: Individual
•
Filing: 1967-02-17
•
Granted: 1969-10-14
•
Expires: 1987-02-17
Abstract
No abstract record available.
Inventors
- 👤 Leonard D Barry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:42
CPC Classifications
A; A01; A01B; A01B69/00; A01B35/00; A01B51/00; A01B51/02; A01B51/023; B; B62; B62D; B62D49/00; B62D49/06; B62D49/0685
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2109475A
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US2339291A
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US2922482A
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US2796816A
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US2994392A
Cited
US2871961A
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IT605165B
Cited
US3186493A
Cited
US3064745A
Cited
FR1257784A
Cited
US3169598A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |