FR429429A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Liquid level indicator funnel
Assignee: CHARLES DE SALLIER DUPIN
•
Filing: 1911-05-05
•
Granted: 1911-09-22
•
Expires: 1931-05-05
Abstract
No abstract record available.
Inventors
- 👤 Charles De Sallier-Dupin
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-05 02:44
CPC Classifications
B; B67; B67C; B67C11/00; B67C11/02; B67C2011/40
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.