Patent US3518970A successfully refreshed from Google Patents.
US3518970A
Expired / Lapsed
US
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Paint roller and method and apparatus of manufacture
Assignee: EZ Paintr Corp
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Filing: 1968-05-17
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Granted: 1970-07-07
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Expires: 1988-05-17
Abstract
No abstract record available.
Inventors
- 👤 Frederick B Burns
- 👤 Erik Henningsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:56
CPC Classifications
B; B05; B05C; B05C17/00; B05C17/02; B05C17/0207; B05C19/00; B05C19/001; B05C19/002; B05C19/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2358227A
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US2497696A
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CH269878A
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US2806803A
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US2877740A
Cited
US2789075A
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US2976839A
Cited
US2992126A
Cited
US3255730A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-06 | 1974-01-05 | 1974-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-06 | 1978-01-05 | 1978-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-06 | 1982-01-05 | 1982-07-07 | $7700.00 | Window Closed / Lapsed |