FR640518A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Reinforced cement constructions using assembled portable elements
Assignee: CHOLLET LEFEVRE ET CIE
•
Filing: 1927-02-17
•
Granted: 1928-07-16
•
Expires: 1947-02-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-02 21:42
CPC Classifications
E; E04; E04B; E04B7/00; E04B7/02; E04B1/00; E04B1/18; E04B1/20; E04B1/21; E04C; E04C3/00; E04C3/02; E04C3/20
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.