Patent DE549044C successfully refreshed from Google Patents.
DE549044C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Corner connection for the iron pit lining
Assignee: Individual
•
Filing: 1930-11-30
•
Granted: 1932-04-22
•
Expires: 1950-11-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-08 07:41
CPC Classifications
E; E21; E21D; E21D5/00; E21D5/06; E21D5/08; E21D11/00; E21D11/14; E21D11/18; E21D11/22
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.