US2625378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat transfer assembly
Assignee: General Electric Co
•
Filing: 1950-03-25
•
Granted: 1953-01-13
•
Expires: 1970-03-25
Abstract
No abstract record available.
Inventors
- 👤 Harold A Nason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:29
CPC Classifications
F; F25; F25D; F25D23/00; F25D23/06; F25D23/061; F25B; F25B2339/00; F25B2339/02; F25B2339/023; Y; Y10; Y10S; Y10S24/00; Y10S24/11
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1956-01-13 | 1956-07-14 | 1957-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-13 | 1960-07-14 | 1961-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-13 | 1964-07-14 | 1965-01-13 | $7700.00 | Window Closed / Lapsed |