Patent US4102478A successfully refreshed from Google Patents.
← Back to Patent Explorer
FR853807A Expired / Lapsed FR ⏱️ 0.0 years remaining

Improvements to rotary motors and compressors

Assignee: Dimitri Sensaud De Lavaud
•
Filing: 1938-11-14
•
Granted: 1940-03-29
•
Expires: 1958-11-14
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Dimitri Sensaud De Lavaud

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-23 16:27
CPC Classifications
F; F02; F02B; F02B53/00; F02B2053/005; F02B2730/00; F02B2730/01; F02B2730/018; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12

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