← Back to Patent Explorer
FR502354A Expired / Lapsed FR ⏱️ 0.0 years remaining

Ball bearing improvements

Assignee: OSCAR DERIAZ
•
Filing: 1918-08-29
•
Granted: 1920-05-12
•
Expires: 1938-08-29
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Antoine Delbos
  • 👤 Oscar Deriaz

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-08 22:33
CPC Classifications
F; F16; F16C; F16C43/00; F16C43/04; F16C43/06; F16C33/00; F16C33/30; F16C33/58; F16C33/60; F16C19/00; F16C19/02; F16C19/04; F16C19/06; F16C2240/00; F16C2240/40; F16C2240/70; F16C2240/80; F16C2240/82; F16C2240/84; F16C2300/00; F16C2300/02

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