US2672640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brush and method of making same
Assignee: Osborn Manufacturing Corp
•
Filing: 1945-05-23
•
Granted: 1954-03-23
•
Expires: 1965-05-23
Abstract
No abstract record available.
Inventors
- 👤 Ruben O Peterson
- 👤 Fletcher C Miles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:31
CPC Classifications
A; A46; A46B; A46B3/00; F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3284; F16J15/3288; Y; Y10; Y10S; Y10S425/00; Y10S425/805
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US764898A
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US1037830A
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US1118156A
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US2100138A
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US2171591A
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US2310186A
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US2303800A
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US2341823A
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US2329222A
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US2438156A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-22 | 1957-09-21 | 1958-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-22 | 1961-09-21 | 1962-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-22 | 1965-09-21 | 1966-03-23 | $7700.00 | Window Closed / Lapsed |