DE463645C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Automatic train protection device by inductive means
Assignee: Dipl-Ing Ottomar Kasperowski
•
Filing: 1926-12-21
•
Granted: 1928-08-10
•
Expires: 1946-12-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-31 23:17
CPC Classifications
B; B61; B61L; B61L3/00; B61L3/02; B61L3/08; B61L3/12; B61L3/121
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.