US2592530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steam separator
Assignee: Foster Wheeler Inc
•
Filing: 1945-05-24
•
Granted: 1952-04-15
•
Expires: 1965-05-24
Abstract
No abstract record available.
Inventors
- 👤 Nicholas C Artsay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:05
CPC Classifications
F; F22; F22B; F22B37/00; F22B37/02; F22B37/26; F22B37/32; Y; Y10; Y10S; Y10S55/00; Y10S55/23
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US669746A
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US1642098A
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US1903515A
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US1904473A
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US1919521A
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FR757408A
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US2010859A
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US2240100A
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US2187646A
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GB512049A
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US2191671A
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US2289969A
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US2320343A
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US2368632A
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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) | 1955-04-15 | 1955-10-15 | 1956-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-15 | 1959-10-15 | 1960-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-15 | 1963-10-15 | 1964-04-15 | $7700.00 | Window Closed / Lapsed |