FR820857A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Compressed air brake for motor vehicle trains
Assignee: KNORR BREMSE AG
•
Filing: 1937-04-20
•
Granted: 1937-11-20
•
Expires: 1957-04-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-05 21:18
CPC Classifications
B; B60; B60T; B60T17/00; B60T17/02
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.