FR528971A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to flywheels for internal combustion engines
Assignee: VILLIERS ENGINEERING CO Ltd
•
Filing: 1920-12-24
•
Granted: 1921-11-22
•
Expires: 1940-12-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-01 06:54
CPC Classifications
H; H02; H02K; H02K1/00; H02K1/06; H02K1/22; H02K1/27; H02K1/2786; H02K1/2787; H02K1/2789; H02K1/2791
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.