US2783095A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods for forming rotary brushes
Assignee: Wayne Manufacturing Co
•
Filing: 1952-12-22
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Granted: 1957-02-26
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Expires: 1972-12-22
Abstract
No abstract record available.
Inventors
- 👤 Louis M Ballard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:12
CPC Classifications
A; A46; A46B; A46B13/00; A46B13/001; A46B13/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US737381A
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US1721062A
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US2045373A
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US2261768A
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US2295823A
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US2604362A
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US2573440A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-26 | 1960-08-27 | 1961-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-26 | 1964-08-27 | 1965-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-26 | 1968-08-27 | 1969-02-26 | $7700.00 | Window Closed / Lapsed |