FR990393A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Device for measuring subsidence of railway tracks when passing rolling loads
Assignee: MECANIQUES ET D ORGANISATION I
•
Filing: 1949-07-07
•
Granted: 1951-09-20
•
Expires: 1969-07-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-03 06:21
CPC Classifications
E; E01; E01B; E01B35/00; E01B2203/00; E01B2203/16
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.