Patent FR717648A successfully refreshed from Google Patents.
FR717648A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvement of siphons for drain lines and others
Assignee: E CHARPIN ETS
•
Filing: 1931-05-26
•
Granted: 1932-01-12
•
Expires: 1951-05-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-31 09:44
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/12; E03C1/28; E03C1/29
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.