Patent FR820705A successfully refreshed from Google Patents.
FR820705A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Method and apparatus using solar energy for concentration of solutions and simultaneous extraction of pure solvent with recovery of the heat of vaporization
Assignee: As Mose I Bloch
•
Filing: 1936-04-01
•
Granted: 1937-11-17
•
Expires: 1956-04-01
Abstract
No abstract record available.
Inventors
- 👤 As Mose I Bloch
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 10:33
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/14; B; B01; B01D; B01D1/00; B01D5/00; B01D5/0003; B01D5/0006; B01D5/0009; B01D5/0057; B01D5/006; Y; Y02; Y02A; Y02A20/00; Y02A20/20; Y02A20/208; Y02A20/212
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.