Patent US3425084A successfully refreshed from Google Patents.
US3425084A
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US
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Brushes and method for their manufacture
Assignee: PRO Corp A CORP OF
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Filing: 1966-08-08
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Granted: 1969-02-04
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Expires: 1986-08-08
Abstract
No abstract record available.
Inventors
- 👤 William A St Laurence
- 👤 Lewis James Halberstadt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:10
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/50; B29C66/51; B29C66/53; B29C66/532; A; A46; A46B; A46B3/00; A46B3/16; A46B5/00; A46D; A46D3/00; A46D3/04; A46D3/042; B29C65/00; B29C65/56; B29C65/562; B29C65/564; B29C66/01; B29C66/05; B29C66/10; B29C66/12; B29C66/126; B29C66/69; B29C66/70; B29C66/72; B29C66/727; B29C66/73; B29C66/739; B29C66/7392; A46B2200/00; A46B2200/10; A46B2200/104; B29C66/71; B29C66/80; B29C66/83; B29C66/832; B29C66/8322; B29L; B29L2031/00; B29L2031/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-04 | 1972-08-05 | 1973-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-04 | 1976-08-05 | 1977-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-04 | 1980-08-05 | 1981-02-04 | $7700.00 | Window Closed / Lapsed |