Patent FR840966A successfully refreshed from Google Patents.
FR840966A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to vacuum cleaning devices
Assignee: Hoover S A Ets
•
Filing: 1938-06-03
•
Granted: 1939-05-08
•
Expires: 1958-06-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-08 20:11
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/10; A47L9/16; A47L9/1658; A47L9/1666; A47L9/1675; A47L5/00; A47L5/12; A47L5/14; A47L5/22; A47L5/28; A47L5/34; A47L9/1683; A47L9/32; A47L9/325; Y; Y10; Y10S; Y10S55/00; Y10S55/03
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.