Patent US3856003A successfully refreshed from Google Patents.
Patent US3024003A successfully refreshed from Google Patents.
US3024003A
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Heat exchanger
Assignee: Alstom Power Inc
•
Filing: 1958-07-10
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Granted: 1962-03-06
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Expires: 1978-07-10
Abstract
No abstract record available.
Inventors
- 👤 Elio J Speca
- 👤 Thomas L Woolard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:18
CPC Classifications
F; F28; F28D; F28D9/00; F28D9/0062; F28D9/0068; Y; Y10; Y10S; Y10S165/00; Y10S165/355; Y10S165/356; Y10S165/387
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR409013A
Cited
GB190416419A
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US811853A
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FR438948A
Cited
US1417387A
Cited
US2183956A
Cited
US2529013A
Cited
US2526135A
Cited
US2782009A
Cited
US2921774A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-05 | 1965-09-04 | 1966-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-05 | 1969-09-04 | 1970-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-05 | 1973-09-04 | 1974-03-06 | $7700.00 | Window Closed / Lapsed |