US2661491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brush
Assignee: Osborn Manufacturing Corp
•
Filing: 1947-06-26
•
Granted: 1953-12-08
•
Expires: 1967-06-26
Abstract
No abstract record available.
Inventors
- 👤 Ruben O Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:41
CPC Classifications
A; A46; A46B; A46B15/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US655369A
Cited
US843596A
Cited
US1284576A
Cited
US1647927A
Cited
US1517613A
Cited
US1963044A
Cited
US2367650A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-07 | 1957-06-08 | 1957-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-07 | 1961-06-08 | 1961-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-07 | 1965-06-08 | 1965-12-08 | $7700.00 | Window Closed / Lapsed |