US2574206A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spray boom device
Assignee: Individual
•
Filing: 1947-07-16
•
Granted: 1951-11-06
•
Expires: 1967-07-16
Abstract
No abstract record available.
Inventors
- 👤 Browning Leander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:15
CPC Classifications
B; B05; B05B; B05B3/00; B05B3/14; F; F01; F01L; F01L31/00; F01L31/02; F01L31/04; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/1892; Y10T74/18928
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2237687A
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US2366777A
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US2324947A
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US2363776A
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US2365755A
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US2439356A
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US2392540A
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US2411964A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-05 | 1955-05-07 | 1955-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-05 | 1959-05-07 | 1959-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-05 | 1963-05-07 | 1963-11-06 | $7700.00 | Window Closed / Lapsed |