DE615165C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Device for regulating the tension of torsion springs, especially for motor vehicles
Assignee: Dr Ing HCF Porsche AG
•
Filing: 1933-10-19
•
Granted: 1935-06-28
•
Expires: 1953-10-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-24 04:40
CPC Classifications
B; B60; B60G; B60G17/00; B60G17/02; B60G17/025
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.