Patent US3412938A successfully refreshed from Google Patents.
US3412938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mobile crop sprayer
Assignee: CLARENCE A LARSON
•
Filing: 1966-09-06
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Granted: 1968-11-26
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Expires: 1986-09-06
Abstract
No abstract record available.
Inventors
- 👤 Clarence A Larson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:39
CPC Classifications
A; A01; A01M; A01M7/00; A01M7/0082
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1984851A
Cited
US2098523A
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US2596473A
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US2518771A
Cited
GB709759A
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US2822216A
Cited
US3040594A
Cited
US3153509A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |