US2363870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature control of heat transfer surfaces
Assignee: Alstom Power Inc
•
Filing: 1941-10-10
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Granted: 1944-11-28
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Expires: 1961-10-10
Abstract
No abstract record available.
Inventors
- 👤 Karlsson Per Hilmer
- 👤 Ernest A Lundstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:31
CPC Classifications
F; F23; F23L; F23L15/00; F23L15/02; F23L15/04; F28; F28F; F28F27/00; F28F27/006; Y; Y02; Y02E; Y02E20/00; Y02E20/34; Y10; Y10S; Y10S122/00; Y10S122/01; Y10S165/00; Y10S165/009; Y10S165/013; Y10S165/015; Y10S165/921
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-11-28 | 1948-05-29 | 1948-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-11-28 | 1952-05-29 | 1952-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-11-28 | 1956-05-29 | 1956-11-28 | $7700.00 | Window Closed / Lapsed |