US2477583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combustion chamber construction
Assignee: Westinghouse Electric Corp
•
Filing: 1946-07-25
•
Granted: 1949-08-02
•
Expires: 1966-07-25
Abstract
No abstract record available.
Inventors
- 👤 Zubay Egon A De
- 👤 Earl L Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:28
CPC Classifications
F; F23; F23R; F23R3/00; F23R3/42; F23R3/50; F23R3/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1100101A
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US1148803A
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US1483917A
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US1594797A
Cited
US1676080A
Cited
US1811371A
Cited
US1978904A
Cited
US1986020A
Cited
US2417445A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-01 | 1953-01-31 | 1953-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-01 | 1957-01-31 | 1957-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-01 | 1961-01-31 | 1961-08-02 | $7700.00 | Window Closed / Lapsed |