FR1345847A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Method and apparatus for contacting countercurrent fluids
Assignee: Domtar Inc
•
Filing: 1962-12-13
•
Granted: 1963-12-13
•
Expires: 1982-12-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-29 18:40
CPC Classifications
F; F28; F28C; F28C1/00; B; B01; B01D; B01D47/00; B01D47/06; B01D53/00; B01D53/14; B01J; B01J19/00; B01J19/30; B01J2219/00; B01J2219/30; B01J2219/302; B01J2219/30207; B01J2219/304; B01J2219/30466; Y; Y02; Y02B; Y02B30/00; Y02B30/70; Y10; Y10S; Y10S261/00; Y10S261/72
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.