Patent FR739616A successfully refreshed from Google Patents.
FR739616A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to piston rings
Assignee: Raymond Monseny
•
Filing: 1931-10-10
•
Granted: 1933-01-14
•
Expires: 1951-10-10
Abstract
No abstract record available.
Inventors
- 👤 Raymond Monseny
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-08 15:52
CPC Classifications
F; F16; F16J; F16J9/00; F16J9/12; F16J9/14
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.