Patent DE579252C successfully refreshed from Google Patents.
DE579252C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Metal ladder with bars made of profile supports or angle iron or the like and rungs made of pipes
Assignee: ROBERT KUNER FA
•
Filing: 1929-03-06
•
Granted: 1933-06-22
•
Expires: 1949-03-06
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-04 09:32
CPC Classifications
E; E06; E06C; E06C7/00; E06C7/08; E06C7/082; E06C7/085
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.