Patent FR998157A successfully refreshed from Google Patents.
FR998157A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to dust vacuum cleaners
Assignee: Hoover Ltd
•
Filing: 1949-10-24
•
Granted: 1952-01-15
•
Expires: 1969-10-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-31 23:03
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/28; A47L9/2889; A47L5/00; A47L5/12; A47L5/22; A47L5/36; A47L5/362; A47L9/2836; A47L9/2842; A47L9/2857; A47L9/30
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.