US2995829A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for drying and cooling sub-divided material
Assignee: Bridgestone Firestone Inc
•
Filing: 1957-06-18
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Granted: 1961-08-15
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Expires: 1977-06-18
Abstract
No abstract record available.
Inventors
- 👤 Raymond W Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:18
CPC Classifications
F; F26; F26B; F26B17/00; F26B17/02; F26B17/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US234412A
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US640319A
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US1472314A
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US1446054A
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US1476424A
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US1602830A
Cited
US1551818A
Cited
CH226409A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |