US2539559A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spraying device
Assignee: Sherwin Williams Co
•
Filing: 1947-05-31
•
Granted: 1951-01-30
•
Expires: 1967-05-31
Abstract
No abstract record available.
Inventors
- 👤 Raymond R Ward
- 👤 Harold A Waters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:55
CPC Classifications
A; A01; A01G; A01G25/00; A01G25/14; B; B05; B05B; B05B1/00; B05B1/14; B05B1/18; B05B11/00; B05B11/0005; B05B11/0027; B05B11/0029; B05B11/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2156313A
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US2148196A
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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) | 1954-01-29 | 1954-07-31 | 1955-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-29 | 1958-07-31 | 1959-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-29 | 1962-07-31 | 1963-01-30 | $7700.00 | Window Closed / Lapsed |