US2972157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Twisted stem tufted brush
Assignee: Osborn Manufacturing Corp
•
Filing: 1957-05-08
•
Granted: 1961-02-21
•
Expires: 1977-05-08
Abstract
No abstract record available.
Inventors
- 👤 Ruben O Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:35
CPC Classifications
A; A46; A46B; A46B3/00; A46B3/18; A46D; A46D3/00; A46D3/04; A46D3/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE13324C
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DE13962C
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US1034576A
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US1206273A
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GB195184A
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FR615796A
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GB409462A
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US2465396A
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US2580378A
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US2895155A
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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) | 1964-02-21 | 1964-08-22 | 1965-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-21 | 1968-08-22 | 1969-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-21 | 1972-08-22 | 1973-02-21 | $7700.00 | Window Closed / Lapsed |