DE679962C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Fixed rivet connection for sheet metal stacks where rivets with particularly large shaft lengths are required
Assignee: WILLY HAUPT DIPL ING
•
Filing: 1935-12-08
•
Granted: 1939-08-25
•
Expires: 1955-12-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-09 14:21
CPC Classifications
B; B21; B21J; B21J15/00; B21J15/02; F; F16; F16B; F16B19/00; F16B19/04; F16B19/06
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.