Patent US3765325A successfully refreshed from Google Patents.
Patent US2480541A successfully refreshed from Google Patents.
US2480541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brush holder
Assignee: Individual
•
Filing: 1946-10-21
•
Granted: 1949-08-30
•
Expires: 1966-10-21
Abstract
No abstract record available.
Inventors
- 👤 Vito L Borelli
- 👤 Jr Wilmer L Greenmore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:17
CPC Classifications
A; A46; A46B; A46B17/00; A46B17/04; B; B44; B44D; B44D3/00; B44D3/12; B44D3/123; A46B2200/00; A46B2200/20; A46B2200/202
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US274471A
Cited
US344869A
Cited
US420040A
Cited
US1318539A
Cited
US1359650A
Cited
US1394205A
Cited
US1496346A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-29 | 1953-02-28 | 1953-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-29 | 1957-02-28 | 1957-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-29 | 1961-02-28 | 1961-08-30 | $7700.00 | Window Closed / Lapsed |