Patent US2845883A successfully refreshed from Google Patents.
US2845883A
Expired / Lapsed
US
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Classification of gas entrained fuel particles
Assignee: Babcock and Wilcox Co
•
Filing: 1950-06-10
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Granted: 1958-08-05
•
Expires: 1970-06-10
Abstract
No abstract record available.
Inventors
- 👤 Daniel V Sherban
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:21
CPC Classifications
F; F23; F23K; F23K3/00; F23K2203/00; F23K2203/006
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |