US2849968A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulverizing system for moisture laden fuels
Assignee: Kohlenscheidungs GmbH
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Filing: 1955-01-31
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Granted: 1958-09-02
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Expires: 1975-01-31
Abstract
No abstract record available.
Inventors
- 👤 Krug Julius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:33
CPC Classifications
F; F23; F23G; F23G5/00; F23G5/44; F23G5/442; F23G5/444; B; B02; B02C; B02C13/00; B02C13/13; F23B; F23B1/00; F23B90/00; F23B90/04; F23B90/06; F23B2700/00; F23B2700/012
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-01 | 1962-03-03 | 1962-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-01 | 1966-03-03 | 1966-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-01 | 1970-03-03 | 1970-09-02 | $7700.00 | Window Closed / Lapsed |