US2336378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling pulverulent materials
Assignee: Missouri Portland Cement Co
•
Filing: 1940-08-31
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Granted: 1943-12-07
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Expires: 1960-08-31
Abstract
No abstract record available.
Inventors
- 👤 Richard G Uhlig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:50
CPC Classifications
F; F27; F27D; F27D15/00; F27D15/02; F27D15/0286; Y; Y10; Y10S; Y10S159/00; Y10S159/03; Y10S388/00; Y10S388/923; Y10S388/929; Y10S388/934
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-12-06 | 1947-06-07 | 1947-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-12-06 | 1951-06-07 | 1951-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-12-06 | 1955-06-07 | 1955-12-07 | $7700.00 | Window Closed / Lapsed |