FR388529A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Dry filter for vacuum cleaners or vacuum cleaners
Assignee: Individual
•
Filing: 1908-03-26
•
Granted: 1908-08-14
•
Expires: 1928-03-26
Abstract
No abstract record available.
Inventors
- 👤 Rudolph Siemssen
- 👤 Martin Hirschfeldt
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-29 18:21
CPC Classifications
A; A47; A47L; A47L5/00; A47L5/02; A47L5/04; A47L9/00; A47L9/10; A47L9/12; A47L9/127
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.