Patent US2513010A successfully refreshed from Google Patents.
US2513010A
Expired / Lapsed
US
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Heat exchanger for cooling compressed gases
Assignee: Niagara Blower Co
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Filing: 1945-10-26
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Granted: 1950-06-27
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Expires: 1965-10-26
Abstract
No abstract record available.
Inventors
- 👤 Charles N Deverall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:02
CPC Classifications
F; F28; F28D; F28D5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE21917E
Cited
US1345231A
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US1860357A
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US1841361A
Cited
US1919197A
Cited
US2079562A
Cited
US2110024A
Cited
USRE22533E
Cited
US2401918A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-26 | 1953-12-26 | 1954-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-26 | 1957-12-26 | 1958-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-26 | 1961-12-26 | 1962-06-27 | $7700.00 | Window Closed / Lapsed |