US3390649A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Precision environment planter and mulch applicator
Assignee: Precision Agricultural Machinery Co
•
Filing: 1966-03-09
•
Granted: 1968-07-02
•
Expires: 1986-03-09
Abstract
No abstract record available.
Inventors
- 👤 Jr Jay Tschudy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 19:59
CPC Classifications
A; A01; A01C; A01C5/00; A01C5/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1398190A
Cited
US2625122A
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US2909869A
Cited
US3094809A
Cited
US3175523A
Cited
US3154031A
Cited
US3261127A
Cited
US3221681A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |