FR775759A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Sophisticated louvers, especially for industrial building skylights
Assignee: CIE DES FORGES DE CHATILLON
•
Filing: 1934-07-12
•
Granted: 1935-01-09
•
Expires: 1954-07-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-26 07:30
CPC Classifications
E; E04; E04D; E04D13/00; E04D13/03; E04D13/0325
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.