Patent US3773031A successfully refreshed from Google Patents.
Patent DE553553C successfully refreshed from Google Patents.
DE553553C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Extendable metal curtain rod or curtain rod
Assignee: August Enders A G
•
Filing: 1931-12-16
•
Granted: 1932-06-27
•
Expires: 1951-12-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-27 08:19
CPC Classifications
A; A47; A47H; A47H1/00; A47H1/04; A47H1/08
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.