US2929387A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paint roller cleaner and paint mixer
Assignee: Individual
•
Filing: 1954-10-29
•
Granted: 1960-03-22
•
Expires: 1974-10-29
Abstract
No abstract record available.
Inventors
- 👤 Walter D Boyden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:21
CPC Classifications
B; B44; B44D; B44D3/00; B44D3/006; B01; B01F; B01F27/00; B01F27/80; B01F27/88; B01F33/00; B01F33/50; B01F33/501; B01F33/5011; B44D3/06; B44D3/08; B01F35/00; B01F35/30; B01F35/32; B01F35/32005; B01F35/3202; Y; Y10; Y10S; Y10S134/00; Y10S134/90; Y10S366/00; Y10S366/605
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US703460A
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US954615A
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US1116001A
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DE480927C
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US2027297A
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US2150560A
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US2392731A
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US2414971A
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US2542491A
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GB677011A
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US2663305A
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US2711748A
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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) | 1963-03-22 | 1963-09-21 | 1964-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-22 | 1967-09-21 | 1968-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-22 | 1971-09-21 | 1972-03-22 | $7700.00 | Window Closed / Lapsed |