Patent US2680873A successfully refreshed from Google Patents.
US2680873A
Expired / Lapsed
US
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Paint roller
Assignee: Individual
•
Filing: 1951-11-23
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Granted: 1954-06-15
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Expires: 1971-11-23
Abstract
No abstract record available.
Inventors
- 👤 Carl J Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:29
CPC Classifications
B; B05; B05C; B05C17/00; B05C17/02; B05C17/0227; B05C17/023; B05C17/0232
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US973203A
Cited
GB191511156A
Cited
US1536162A
Cited
US2368513A
Cited
US2321511A
Cited
US2538241A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-14 | 1957-12-14 | 1958-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-14 | 1961-12-14 | 1962-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-14 | 1965-12-14 | 1966-06-15 | $7700.00 | Window Closed / Lapsed |