US2477262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for utilizing the dust from cement kilns
Assignee: N V Eerste Nederlandsche Cement Industrie
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Filing: 1939-08-11
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Granted: 1949-07-26
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Expires: 1959-08-11
Abstract
No abstract record available.
Inventors
- 👤 Mooser Heinrich Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:55
CPC Classifications
F; F27; F27B; F27B7/00; C; C04; C04B; C04B18/00; C04B18/04; C04B18/16; C04B18/162; C04B7/00; C04B7/36; C04B7/38; C04B7/42; C04B7/43; C04B7/44; C04B7/60; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/91
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE272174C
Cited
GB190612353A
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US1132527A
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US1688882A
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US1955121A
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US1916716A
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US2006386A
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DE637914C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-25 | 1953-01-24 | 1953-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-25 | 1957-01-24 | 1957-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-25 | 1961-01-24 | 1961-07-26 | $7700.00 | Window Closed / Lapsed |