Patent US4526541A successfully refreshed from Google Patents.
Patent US2807041A successfully refreshed from Google Patents.
US2807041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Guide attachment for paint brushes
Assignee: Individual
•
Filing: 1956-09-05
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Granted: 1957-09-24
•
Expires: 1976-09-05
Abstract
No abstract record available.
Inventors
- 👤 Watro Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:16
CPC Classifications
B; B44; B44D; B44D3/00; B44D3/22; B44D3/225
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US499842A
Cited
US517868A
Cited
US1882535A
Cited
US2078193A
Cited
US2237923A
Cited
US2558191A
Cited
US2610344A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-23 | 1961-03-25 | 1961-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-23 | 1965-03-25 | 1965-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-23 | 1969-03-25 | 1969-09-24 | $7700.00 | Window Closed / Lapsed |