Patent US2920333A successfully refreshed from Google Patents.
US2920333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fountain brush
Assignee: Individual
•
Filing: 1954-05-21
•
Granted: 1960-01-12
•
Expires: 1974-05-21
Abstract
No abstract record available.
Inventors
- 👤 Frank W Montague
- 👤 Susan A Montague
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:20
CPC Classifications
A; A46; A46B; A46B11/00; A46B11/001; A46B11/0013
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US756103A
Cited
US1111643A
Cited
US1569259A
Cited
US1959774A
Cited
CH172670A
Cited
US2014149A
Cited
US2279520A
Cited
US2543195A
Cited
US2624902A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-11 | 1963-07-13 | 1964-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-11 | 1967-07-13 | 1968-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-11 | 1971-07-13 | 1972-01-12 | $7700.00 | Window Closed / Lapsed |