Patent US2346935A successfully refreshed from Google Patents.
Patent FR1120195A successfully refreshed from Google Patents.
FR1120195A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Method of constituting self-supporting constructions
Assignee: Houilleres du Bassin du Nord et du Pas de Calais
•
Filing: 1955-01-19
•
Granted: 1956-07-02
•
Expires: 1975-01-19
Abstract
No abstract record available.
Inventors
- 👤 Paulin Roger
- 👤 Paul Fallard
- 👤 Henri Sack
- 👤 Robert Fourcade
- 👤 Therese Van De Walle
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-02 15:33
CPC Classifications
E; E04; E04B; E04B7/00; E04B7/14
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.