Patent FR527401A successfully refreshed from Google Patents.
FR527401A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Process for manufacturing advanced catalyst elements
Assignee: ROBERT-DENIS LANCE
•
Filing: 1916-07-22
•
Granted: 1921-10-25
•
Expires: 1936-07-22
Abstract
No abstract record available.
Inventors
- 👤 Robert-Denis Lance
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-02 20:50
CPC Classifications
B; B01; B01J; B01J21/00; B01J21/02; B01J21/04; B01J23/00; B01J23/16; B01J23/20; B01J23/22; B01J37/00; B01J37/02; B01J37/0215; B01J37/0225; B01J37/0226; B01J37/0238; C; C10; C10G; C10G47/00; B01J23/24; B01J23/28
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.