← Back to Patent Explorer
DE725638C Expired / Lapsed DE ⏱️ 0.0 years remaining

Concealed door hinge for streamlined vehicles

Assignee: Audi AG
•
Filing: 1939-03-01
•
Granted: 1942-09-26
•
Expires: 1959-03-01
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Kurt Schwenk

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-11-02 15:23
CPC Classifications
B; B60; B60J; B60J5/00; B60J5/04; B60J5/047; B60J5/0477; B60J5/0479; E; E05; E05D; E05D5/00; E05D5/02; E05D5/06; E05D5/062; E05Y; E05Y2600/00; E05Y2600/60; E05Y2600/62; E05Y2600/624; E05Y2900/00; E05Y2900/50; E05Y2900/53; E05Y2900/531

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.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag