US2525947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary brush and method of making same
Assignee: Osborn Manufacturing Corp
•
Filing: 1945-06-16
•
Granted: 1950-10-17
•
Expires: 1965-06-16
Abstract
No abstract record available.
Inventors
- 👤 Anthony J Rose
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:31
CPC Classifications
A; A46; A46B; A46B9/00; A46B9/06; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49917; Y10T29/49918; Y10T29/49947; Y10T29/49954; Y10T29/53; Y10T29/53678
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1339894A
Cited
US1706159A
Cited
US1714137A
Cited
US1990025A
Cited
US1949665A
Cited
US2349643A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-16 | 1954-04-17 | 1954-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-16 | 1958-04-17 | 1958-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-16 | 1962-04-17 | 1962-10-17 | $7700.00 | Window Closed / Lapsed |