US2789298A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brush utilizing removable lengths of brush strip
Assignee: Osborn Manufacturing Corp
•
Filing: 1950-09-08
•
Granted: 1957-04-23
•
Expires: 1970-09-08
Abstract
No abstract record available.
Inventors
- 👤 Ruben O Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:42
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/20; A47L13/24; A47L13/254
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1230325A
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US1250767A
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US1583358A
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US1685328A
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US1723684A
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US1942205A
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US2194916A
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US2343604A
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US2609242A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-22 | 1960-10-22 | 1961-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-22 | 1964-10-22 | 1965-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-22 | 1968-10-22 | 1969-04-23 | $7700.00 | Window Closed / Lapsed |