US2601102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat exchanger control
Assignee: Babcock and Wilcox Co
•
Filing: 1948-06-25
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Granted: 1952-06-17
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Expires: 1968-06-25
Abstract
No abstract record available.
Inventors
- 👤 Paul S Dickey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:20
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/1809; F; F23; F23L; F23L15/00; F23L15/02; F28; F28C; F28C3/00; F28C3/10; F28C3/12; F28C3/14; B01J2208/00; B01J2208/00008; B01J2208/00017; B01J2208/00106; B01J2208/00168; B01J2208/00256; B01J2208/00265; B01J2208/00274; B01J2208/00292; B01J2208/00327; B01J2208/00336; B01J2208/00353; B01J2208/0053; B01J2208/00539; B01J2208/00548; Y; Y02; Y02E; Y02E20/00; Y02E20/34; Y10; Y10S; Y10S159/00; Y10S159/29
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-17 | 1955-12-17 | 1956-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-17 | 1959-12-17 | 1960-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-17 | 1963-12-17 | 1964-06-17 | $7700.00 | Window Closed / Lapsed |