FR1220944A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to dust extractors
Assignee: Hoover Ltd
•
Filing: 1959-01-08
•
Granted: 1960-05-30
•
Expires: 1979-01-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-06 10:10
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/28; A47L9/2857; A47L5/00; A47L5/12; A47L5/22; A47L5/36; A47L5/365; A47L9/24; A47L9/242; A47L9/246; A47L9/2836; A47L9/2842
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.