US2674759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brush construction
Assignee: GLENWOOD S MACK
•
Filing: 1948-09-10
•
Granted: 1954-04-13
•
Expires: 1968-09-10
Abstract
No abstract record available.
Inventors
- 👤 Archie N Solberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:47
CPC Classifications
A; A46; A46B; A46B3/00; A46B3/08; A46B3/10; A46B3/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US686655A
Cited
US1556298A
Cited
GB408072A
Cited
US2015806A
Cited
US2202292A
Cited
US2064949A
Cited
US2055322A
Cited
US2203501A
Cited
US2133335A
Cited
GB506358A
Cited
US2194122A
Cited
US2310186A
Cited
US2332802A
Cited
US2405658A
Cited
US2311818A
Cited
US2417750A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-12 | 1957-10-12 | 1958-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-12 | 1961-10-12 | 1962-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-12 | 1965-10-12 | 1966-04-13 | $7700.00 | Window Closed / Lapsed |