Patent US2597727A successfully refreshed from Google Patents.
US2597727A
Expired / Lapsed
US
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Farm and roadside sprayer
Assignee: Individual
•
Filing: 1950-04-22
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Granted: 1952-05-20
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Expires: 1970-04-22
Abstract
No abstract record available.
Inventors
- 👤 Howard C Hanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:19
CPC Classifications
A; A01; A01M; A01M7/00; A01M7/005; A01M7/006; B; B05; B05B; B05B15/00; B05B15/60; B05B15/65; B05B15/652
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US796027A
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US872654A
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US1073852A
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US1348038A
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US1503001A
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US1639220A
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FR809270A
Cited
US2297110A
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US2495375A
Cited
US2507668A
Cited
US2444367A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-20 | 1955-11-19 | 1956-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-20 | 1959-11-19 | 1960-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-20 | 1963-11-19 | 1964-05-20 | $7700.00 | Window Closed / Lapsed |