US2766969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inter-deck soot blower
Assignee: Alstom Power Inc
•
Filing: 1952-04-05
•
Granted: 1956-10-16
•
Expires: 1972-04-05
Abstract
No abstract record available.
Inventors
- 👤 Roland S Cooper
- 👤 Benjamin S Kelley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:05
CPC Classifications
F; F28; F28G; F28G9/00; F28G9/005; F23; F23J; F23J3/00; F23J3/02; Y; Y10; Y10S; Y10S165/00; Y10S165/009; Y10S165/01; Y10S165/012
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1441431A
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US1026060A
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US1644995A
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US1858508A
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US2058062A
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GB503857A
Cited
US2234222A
Cited
US2289700A
Cited
US2350202A
Cited
US2379506A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |