Patent DE518352C successfully refreshed from Google Patents.
DE518352C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Device for the optical display of the elastic hysteresis loop in endurance testing machines
Assignee: Darmstadt Maschf GmbH
•
Filing: 1929-02-09
•
Granted: 1931-02-14
•
Expires: 1949-02-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-23 14:40
CPC Classifications
G; G01; G01N; G01N3/00; G01N3/32; G01N3/34; G01N2203/00; G01N2203/0014; G01N2203/0021
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.