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US2844835A
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Tufted brush construction
Assignee: Osborn Manufacturing Corp
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Filing: 1955-05-23
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Granted: 1958-07-29
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Expires: 1975-05-23
Abstract
No abstract record available.
Inventors
- 👤 John B Benyak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:34
CPC Classifications
A; A46; A46B; A46B13/00; A46B13/001; A46B13/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US558855A
Cited
CH7261A
Cited
US999820A
Cited
US1633274A
Cited
US1970302A
Cited
GB459285A
Cited
US2251626A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-28 | 1962-01-27 | 1962-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-28 | 1966-01-27 | 1966-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-28 | 1970-01-27 | 1970-07-29 | $7700.00 | Window Closed / Lapsed |