Patent FR621249A successfully refreshed from Google Patents.
Patent FR1523210A successfully refreshed from Google Patents.
← Back to Patent Explorer
FR1523210A Expired / Lapsed FR ⏱️ 0.0 years remaining

Advanced vacuum cleaner

Assignee: Hitachi Ltd
•
Filing: 1967-01-25
•
Granted: 1968-05-03
•
Expires: 1987-01-25
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-08 19:21
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/32; A47L9/327; A47L5/00; A47L5/12; A47L5/22; A47L5/36; A47L5/365; A47L9/0009; A47L9/0018; A47L9/0036; A47L9/0045; A47L9/0054

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