DE505300C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Fastening of reversible or interchangeable striking plates on a door frame made of stamped sheet metal
Assignee: JOHN JACOB WELSHOFER
•
Filing: 1927-11-22
•
Granted: 1930-08-16
•
Expires: 1947-11-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-09 13:05
CPC Classifications
E; E05; E05B; E05B15/00; E05B15/02; E05B15/0205; E05B15/024
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.