US2996894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for the recovery of latent heat of fusion
Assignee: General Electric Co
•
Filing: 1956-12-13
•
Granted: 1961-08-22
•
Expires: 1976-12-13
Abstract
No abstract record available.
Inventors
- 👤 Ray W Shade
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:23
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/0006; B01J19/0013; F; F24; F24C; F24C9/00; F24D; F24D11/00; F24D11/02; F24D11/0214; F25; F25D; F25D16/00; F28; F28D; F28D20/00; F28D20/02; F28D20/025; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00074; B01J2219/00076; B01J2219/00083; B01J2219/0015; B01J2219/00155; Y; Y02; Y02E; Y02E60/00; Y02E60/14; Y10; Y10S; Y10S165/00; Y10S165/902
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US523412A
Cited
FR537450A
Cited
US1969187A
Cited
US2507632A
Cited
US2613513A
Cited
US2631835A
Cited
US2764488A
Cited
US2666304A
Cited
US2778607A
Cited
US2886603A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |