US2924838A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brush roll construction
Assignee: IND BRUSH CO Inc
•
Filing: 1954-12-10
•
Granted: 1960-02-16
•
Expires: 1974-12-10
Abstract
No abstract record available.
Inventors
- 👤 Lloyd E Jones
- 👤 Melvin T Olson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:23
CPC Classifications
A; A23; A23N; A23N12/00; A23N12/005; Y; Y02; Y02A; Y02A40/00; Y02A40/90
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US21451A
Cited
US2734210A
Cited
US1439159A
Cited
US1476113A
Cited
US1744365A
Cited
US1963044A
Cited
US2244110A
Cited
US2267584A
Cited
US2287447A
Cited
US2357892A
Cited
US2651799A
Cited
FR1036806A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-15 | 1963-08-17 | 1964-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-15 | 1967-08-17 | 1968-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-15 | 1971-08-17 | 1972-02-16 | $7700.00 | Window Closed / Lapsed |