US3079087A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for storing and recovering heat
Assignee: General Electric Co
•
Filing: 1956-12-13
•
Granted: 1963-02-26
•
Expires: 1976-12-13
Abstract
No abstract record available.
Inventors
- 👤 Carlyle S Herrick
- 👤 Theodore L Etherington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:55
CPC Classifications
F; F24; F24D; F24D3/00; F24H; F24H7/00; F24H7/02; F24H7/04; F24H7/0408; F24H7/0433; F24S; F24S90/00; Y; Y02; Y02E; Y02E10/00; Y02E10/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
IN A CLOSSED CYCLE LATENT HEAT RECOVERY SYSTEM UTILIZING A LIQUID MEDIUM COMPRISING A SOLUTION OF DISODIUM PHOSPHATE AND WATER, THE METHOD WHICH COMPRISES, SELECT-
Claim 2
Dependent Claim
25 words
IN A CLOSSED CYCLE LATENT HEAT RECOVERY SYSTEM UTILIZING A LIQUID MEDIUM COMPRISING A SOLUTION OF DISODIUM PHOSPHATE AND WATER, THE METHOD WHICH COMPRISES, SELECT-
References Cited (Backward Citations)
GB344320A
Cited
DE656881C
Cited
FR847742A
Cited
US2436281A
Cited
US2460482A
Cited
US2544474A
Cited
US2680429A
Cited
US2791204A
Cited
US2765921A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |