DE397306C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Door lock combined with two cylinder locks
Assignee: RHEINISCHE TUERSCHLIESSER FABR
•
Filing: —
•
Granted: 1924-06-24
•
Expires: 1941-06-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-24 03:56
CPC Classifications
E; E05; E05B; E05B59/00
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.