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US2542491A
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US
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Method and apparatus for cleaning the jackets of paint rollers
Assignee: Individual
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Filing: 1949-08-18
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Granted: 1951-02-20
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Expires: 1969-08-18
Abstract
No abstract record available.
Inventors
- 👤 Engel Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:09
CPC Classifications
B; B44; B44D; B44D3/00; B44D3/006; Y; Y10; Y10S; Y10S134/00; Y10S134/90; Y10T; Y10T279/00; Y10T279/10; Y10T279/1016
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-19 | 1954-08-21 | 1955-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-19 | 1958-08-21 | 1959-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-19 | 1962-08-21 | 1963-02-20 | $7700.00 | Window Closed / Lapsed |