← Back to Patent Explorer
FR803938A Expired / Lapsed FR ⏱️ 0.0 years remaining

Reversible hydraulic device constituting a pump or motor

Assignee: Pierre Michel
•
Filing: 1936-04-02
•
Granted: 1936-10-12
•
Expires: 1956-04-02
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Pierre Michel

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-23 15:34
CPC Classifications
F; F04; F04B; F04B53/00; F04B53/10; F04B53/12; F04B53/125; F04B53/127; F04B53/128; F04B3/00

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