Patent US2963279A successfully refreshed from Google Patents.
US2963279A
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Heat exchanger
Assignee: Alstom Power Inc
•
Filing: 1956-05-09
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Granted: 1960-12-06
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Expires: 1976-05-09
Abstract
No abstract record available.
Inventors
- 👤 John C Vickland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:54
CPC Classifications
F; F28; F28D; F28D19/00; F28D19/04; F28D19/045; Y; Y10; Y10S; Y10S165/00; Y10S165/009; Y10S165/013; Y10S165/016; Y10S165/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2596622A
Cited
GB651771A
Cited
US2526618A
Cited
GB645477A
Cited
US2540733A
Cited
US2605646A
Cited
GB739904A
Cited
US2858110A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |