Patent US4293805A successfully refreshed from Google Patents.
Patent US4909127A successfully refreshed from Google Patents.
Patent US1625266A successfully refreshed from Google Patents.
Patent US3370895A successfully refreshed from Google Patents.
Patent FR1368015A successfully refreshed from Google Patents.
FR1368015A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Device for contacting liquids and gases
Assignee: SHELL INT RESEARCH
•
Filing: 1963-09-03
•
Granted: 1964-07-24
•
Expires: 1983-09-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-04 04:59
CPC Classifications
B; B01; B01D; B01D47/00
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.