US2636252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paint roller cover
Assignee: Rubberset Co
•
Filing: 1948-10-26
•
Granted: 1953-04-28
•
Expires: 1968-10-26
Abstract
No abstract record available.
Inventors
- 👤 Charles H Barnes
- 👤 Grosse Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:56
CPC Classifications
B; B05; B05C; B05C17/00; B05C17/02; B05C17/0207; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23957; Y10T428/23964; Y10T428/249921; Y10T428/249922; Y10T428/29; Y10T428/2913; Y10T428/2915
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1287121A
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US1833315A
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GB355999A
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FR773263A
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US2087888A
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US2080127A
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US2149606A
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US2117593A
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US2294245A
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US2411883A
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US2320078A
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US2345337A
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US2357763A
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US2427581A
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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) | 1956-04-27 | 1956-10-27 | 1957-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-27 | 1960-10-27 | 1961-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-27 | 1964-10-27 | 1965-04-28 | $7700.00 | Window Closed / Lapsed |