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US3428060A
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Apparatus for cleaning paint rollers
Assignee: DONALD K SPIVEY
•
Filing: 1966-09-23
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Granted: 1969-02-18
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Expires: 1986-09-23
Abstract
No abstract record available.
Inventors
- 👤 Donald K Spivey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:30
CPC Classifications
B; B41; B41F; B41F35/00; B41F35/001; B44; B44D; B44D3/00; B44D3/006; Y; Y10; Y10S; Y10S134/00; Y10S134/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1553013A
Cited
US1703946A
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US2652843A
Cited
DE945670C
Cited
US2831488A
Cited
US3075534A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |