Patent US3329574A successfully refreshed from Google Patents.
US2845648A
Expired / Lapsed
US
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Brush and brush material
Assignee: Osborn Manufacturing Corp
•
Filing: 1954-03-18
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Granted: 1958-08-05
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Expires: 1974-03-18
Abstract
No abstract record available.
Inventors
- 👤 Ruben O Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:43
CPC Classifications
A; A46; A46D; A46D1/00; A46D1/02; A46D1/023; Y; Y10; Y10S; Y10S15/00; Y10S15/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US376800A
Cited
US1408951A
Cited
US1482415A
Cited
US1674236A
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US2027884A
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US2100138A
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US2207158A
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US2511004A
Cited
US2607064A
Cited
US2648084A
Cited
US2718024A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |