US3401890A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spreader and sprayer combination
Assignee: BILLY J MIDDLESWORTH
•
Filing: 1965-05-10
•
Granted: 1968-09-17
•
Expires: 1985-05-10
Abstract
No abstract record available.
Inventors
- 👤 Billy J Middlesworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:24
CPC Classifications
A; A01; A01M; A01M11/00; A01C; A01C17/00; A01C17/001; A01C23/00; A01C23/04; A01C23/047; A01M7/00; A01M7/0089
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1613051A
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US1633294A
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US1610556A
Cited
US2619379A
Cited
US2684865A
Cited
US2725256A
Cited
US3199423A
Cited
US3220740A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-17 | 1972-03-18 | 1972-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-17 | 1976-03-18 | 1976-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-17 | 1980-03-18 | 1980-09-17 | $7700.00 | Window Closed / Lapsed |