Patent US2769283A successfully refreshed from Google Patents.
US2769283A
Expired / Lapsed
US
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Abrading machine for tire tread surfaces
Assignee: Individual
•
Filing: 1954-04-13
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Granted: 1956-11-06
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Expires: 1974-04-13
Abstract
No abstract record available.
Inventors
- 👤 Charles R Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:35
CPC Classifications
B; B29; B29B; B29B17/00; B29B17/02; B29B17/0206; B29D; B29D30/00; B29D30/06; B29D30/52; B29D30/54; B29D2030/541; B29K; B29K2021/00; B29L; B29L2030/00; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/62
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US465695A
Cited
US2271130A
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US2294047A
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US2321936A
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US2392667A
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US2515167A
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US2610446A
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US2522819A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-06 | 1960-05-07 | 1960-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-06 | 1964-05-07 | 1964-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-06 | 1968-05-07 | 1968-11-06 | $7700.00 | Window Closed / Lapsed |