FR703690A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Compressed air operated vacuum cleaner
Assignee: Jean Cheronnet
•
Filing: 1930-10-14
•
Granted: 1931-05-04
•
Expires: 1950-10-14
Abstract
No abstract record available.
Inventors
- 👤 Jean Cheronnet
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-30 04:20
CPC Classifications
A; A47; A47L; A47L5/00; A47L5/12; A47L5/16; A47L5/18
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.