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US2546041A
Expired / Lapsed
US
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Brush cleaning apparatus
Assignee: Individual
•
Filing: 1947-02-14
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Granted: 1951-03-20
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Expires: 1967-02-14
Abstract
No abstract record available.
Inventors
- 👤 Orville L Newton
- 👤 Lyle M Erickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:24
CPC Classifications
B; B44; B44D; B44D3/00; B44D3/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US377306A
Cited
US378608A
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US482082A
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US1285948A
Cited
US1553023A
Cited
US1590572A
Cited
US2081570A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-19 | 1954-09-18 | 1955-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-19 | 1958-09-18 | 1959-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-19 | 1962-09-18 | 1963-03-20 | $7700.00 | Window Closed / Lapsed |