Patent DE412278C successfully refreshed from Google Patents.
DE412278C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Railway freight wagons with floor parts that can be opened to convert into a self-unloader
Assignee: HERMANN PENZLER
•
Filing: 1923-06-05
•
Granted: 1925-04-17
•
Expires: 1943-06-05
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-29 16:02
CPC Classifications
B; B61; B61D; B61D3/00; B61D3/06
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.