DE741622C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Stain remover
Assignee: LUDWIG ZEHETMAIER
•
Filing: 1938-02-17
•
Granted: 1943-11-13
•
Expires: 1958-02-17
Abstract
No abstract record available.
Inventors
- 👤 Ludwig Zehetmaier
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-31 05:11
CPC Classifications
A; A47; A47L; A47L25/00; A47L25/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.