Patent DE953223C successfully refreshed from Google Patents.
← Back to Patent Explorer
DE953223C Expired / Lapsed DE ⏱️ 0.0 years remaining

Device for reducing the volumetric and friction losses in liquid high-pressure pumps, in particular in pumps with pistons arranged in a star shape

Assignee: Individual
•
Filing: 1951-07-20
•
Granted: 1956-11-29
•
Expires: 1971-07-20
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Fritz Kuphal

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-11-06 18:05
CPC Classifications
F; F04; F04B; F04B1/00; F04B1/04; F04B1/0404; F04B1/0408; F04C; F04C15/00; F04C15/0003; F04C15/003

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

DE502190C Cited
DE505544C Cited
DE418566C Cited
US2173432A Cited
DE706994C Cited
US2427325A Cited
DE828186C Cited
DE832853C Cited

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