Patent US2848744A successfully refreshed from Google Patents.
US2848744A
Expired / Lapsed
US
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Apparatus for and method of forming tire treads
Assignee: Individual
•
Filing: 1955-11-16
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Granted: 1958-08-26
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Expires: 1975-11-16
Abstract
No abstract record available.
Inventors
- 👤 David E Crooker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:40
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/52; B29D30/66; B29D2030/662
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US788825A
Cited
US1585279A
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US2224824A
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US2598791A
Cited
US2619678A
Cited
US2610357A
Cited
US2756460A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-25 | 1962-02-24 | 1962-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-25 | 1966-02-24 | 1966-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-25 | 1970-02-24 | 1970-08-26 | $7700.00 | Window Closed / Lapsed |