US3108552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Minium tillage planter
Assignee: Individual
•
Filing: 1960-05-23
•
Granted: 1963-10-29
•
Expires: 1980-05-23
Abstract
No abstract record available.
Inventors
- 👤 Norman E Watson
- 👤 John W Watson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 15:30
CPC Classifications
A; A01; A01C; A01C7/00; A01C7/006; Y; Y02; Y02A; Y02A40/00; Y02A40/10; Y02A40/22; Y02P; Y02P60/00; Y02P60/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US910337A
Cited
US1282124A
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US1460236A
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GB200858A
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US2675247A
Cited
FR1022353A
Cited
US2754647A
Cited
GB796151A
Cited
US2887322A
Cited
US2777709A
Cited
US2930335A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |