Patent US2167714A successfully refreshed from Google Patents.
Patent US2520863A successfully refreshed from Google Patents.
US2520863A
Expired / Lapsed
US
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Painting roller of the detachable sleeve type
Assignee: THOMAS ROLLER PAINTING EQUIPME
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Filing: 1947-12-10
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Granted: 1950-08-29
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Expires: 1967-12-10
Abstract
No abstract record available.
Inventors
- 👤 Earl E Thomas
- 👤 Standly T Coughlan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:12
CPC Classifications
B; B05; B05C; B05C17/00; B05C17/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US770271A
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US1030778A
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US950527A
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US1543002A
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GB323142A
Cited
GB364429A
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US1949665A
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GB416076A
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US2234761A
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US2427581A
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US2428953A
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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) | 1953-08-28 | 1954-02-27 | 1954-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-28 | 1958-02-27 | 1958-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-28 | 1962-02-27 | 1962-08-29 | $7700.00 | Window Closed / Lapsed |