FR73317E
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvement of composite metal joists for reinforced concrete floors
Assignee: Joseph-Marius Philibert
•
Filing: 1955-09-28
•
Granted: 1960-11-30
•
Expires: 1975-09-28
Abstract
No abstract record available.
Inventors
- 👤 Joseph-Marius Philibert
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-27 13:55
CPC Classifications
E; E04; E04C; E04C5/00; E04C5/01; E04C5/06; E04C5/065
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.