← Back to Patent Explorer
FR908121A Expired / Lapsed FR ⏱️ 0.0 years remaining

Improvements to rotary machines with fluid circulation, such as compressors or turbines, and to devices for variating this circulation

Assignee: Joseph Szydlowski
•
Filing: 1944-12-11
•
Granted: 1946-04-01
•
Expires: 1964-12-11
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Joseph Szydlowski

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-31 10:52
CPC Classifications
F; F04; F04D; F04D25/00; F04D25/02; F04D17/00; F04D17/08; F04D17/10; F04D17/12; F04D17/127; F04D29/00; F04D29/40; F04D29/42; F04D29/4206; F04D29/4213; F04D29/44; F04D29/46; F04D29/462; F05; F05D; F05D2250/00; F05D2250/50; F05D2250/51

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