Patent US2879631A successfully refreshed from Google Patents.
US2879631A
Expired / Lapsed
US
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Brushing tool and method of manufacture
Assignee: Osborn Manufacturing Corp
•
Filing: 1951-06-16
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Granted: 1959-03-31
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Expires: 1971-06-16
Abstract
No abstract record available.
Inventors
- 👤 Ruben O Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:28
CPC Classifications
B; B24; B24D; B24D13/00; B24D13/02; B24D13/10; A; A46; A46D; A46D1/00; A46D3/00; A46D3/04; A46D3/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US864922A
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US865098A
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US1906766A
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US1922108A
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US1897971A
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US2049324A
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US2291524A
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US2316257A
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US2324050A
Cited
US2400809A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-30 | 1962-09-29 | 1963-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-30 | 1966-09-29 | 1967-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-30 | 1970-09-29 | 1971-03-31 | $7700.00 | Window Closed / Lapsed |