US2808602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary brush
Assignee: Individual
•
Filing: 1954-11-22
•
Granted: 1957-10-08
•
Expires: 1974-11-22
Abstract
No abstract record available.
Inventors
- 👤 Joseph P Gregoire
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:02
CPC Classifications
A; A61; A61C; A61C17/00; A61C17/16; A61C17/22; A61C17/24; A61C17/26
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
FR532104A
Cited
GB369600A
Cited
US2124145A
Cited
GB452961A
Cited
US2093007A
Cited
US2194187A
Cited
US2317314A
Cited
US2278095A
Cited
US2655676A
Cited
US2672634A
Cited
FR1023565A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-07 | 1961-04-08 | 1961-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-07 | 1965-04-08 | 1965-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-07 | 1969-04-08 | 1969-10-08 | $7700.00 | Window Closed / Lapsed |