FR784484A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Household filter
Assignee: Henri Smit
•
Filing: 1935-01-05
•
Granted: 1935-07-22
•
Expires: 1955-01-05
Abstract
No abstract record available.
Inventors
- 👤 Henri Smit
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-28 21:08
CPC Classifications
A; A47; A47J; A47J31/00; A47J31/44; A47J31/60; A47J31/605; A47J31/06; A47J31/0657
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.