Patent DE347247C successfully refreshed from Google Patents.
DE347247C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Railway coupling
Assignee: CHARLES BRENAC
•
Filing: 1920-11-03
•
Granted: 1922-01-19
•
Expires: 1940-11-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-05 14:40
CPC Classifications
B; B61; B61G; B61G1/00; B61G1/02; B61G1/06
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.