Patent DE520637C successfully refreshed from Google Patents.
DE520637C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Transition bridge for railway vehicles
Assignee: Alstom Transport Deutschland GmbH
•
Filing: 1929-09-26
•
Granted: 1931-03-12
•
Expires: 1949-09-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-09 07:32
CPC Classifications
B; B61; B61D; B61D17/00; B61D17/04; B61D17/20
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.