FR715869A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvement in beams, uprights, sleepers and other metal assemblies
Assignee: Henry-Charles-Alexan Potez
•
Filing: 1931-04-22
•
Granted: 1931-12-10
•
Expires: 1951-04-22
Abstract
No abstract record available.
Inventors
- 👤 Henry-Charles-Alexan Potez
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-04 07:29
CPC Classifications
E; E04; E04C; E04C3/00; E04C3/02; E04C3/04; E04C3/08; E04C2003/0486; E04C2003/0491; E04C2003/0495
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.