Patent US1090772A successfully refreshed from Google Patents.
US2982983A
Expired / Lapsed
US
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End brush construction
Assignee: Osborn Manufacturing Corp
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Filing: 1957-05-22
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Granted: 1961-05-09
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Expires: 1977-05-22
Abstract
No abstract record available.
Inventors
- 👤 Ruben O Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:01
CPC Classifications
A; A46; A46B; A46B3/00; A46B3/08; A46B3/10; A46B3/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE456984C
Cited
US935326A
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US1202244A
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CH114670A
Cited
US1889494A
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US2449158A
Cited
US2512997A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |