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Patent US2703472A successfully refreshed from Google Patents.
US2703472A
Expired / Lapsed
US
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Brush and brush material
Assignee: Osborn Manufacturing Corp
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Filing: 1954-03-16
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Granted: 1955-03-08
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Expires: 1974-03-16
Abstract
No abstract record available.
Inventors
- 👤 Ruben O Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:38
CPC Classifications
A; A46; A46D; A46D1/00; A46D1/02; A46D1/0238
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2328998A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-07 | 1958-09-06 | 1959-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-07 | 1962-09-06 | 1963-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-07 | 1966-09-06 | 1967-03-08 | $7700.00 | Window Closed / Lapsed |