US2935756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary brush
Assignee: Osborn Manufacturing Corp
•
Filing: 1956-01-26
•
Granted: 1960-05-10
•
Expires: 1976-01-26
Abstract
No abstract record available.
Inventors
- 👤 Ruben O Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:16
CPC Classifications
A; A46; A46B; A46B13/00; A46B13/001; A46B13/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2734210A
Cited
GB190120847A
Cited
US1199780A
Cited
US1402990A
Cited
US2349643A
Cited
US2343310A
Cited
US2380332A
Cited
US2609559A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-10 | 1963-11-09 | 1964-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-10 | 1967-11-09 | 1968-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-10 | 1971-11-09 | 1972-05-10 | $7700.00 | Window Closed / Lapsed |