US2531650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spraying device
Assignee: Individual
•
Filing: 1946-01-23
•
Granted: 1950-11-28
•
Expires: 1966-01-23
Abstract
No abstract record available.
Inventors
- 👤 Hamilton R Stagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:24
CPC Classifications
A; A62; A62C; A62C13/00; A62C13/003; B; B05; B05B; B05B7/00; B05B7/24; B05B7/2402; B05B7/2405; B05B7/2435
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1742604A
Cited
US1726741A
Cited
FR684653A
Cited
US2076709A
Cited
US2189643A
Cited
US2098454A
Cited
US2182742A
Cited
US2160043A
Cited
US2233836A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-27 | 1954-05-29 | 1954-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-27 | 1958-05-29 | 1958-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-27 | 1962-05-29 | 1962-11-28 | $7700.00 | Window Closed / Lapsed |