FR1449064A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements made to centrifugal devices, more specifically with extraction screws
Assignee: SHARPLES FRANCE
•
Filing: 1965-07-02
•
Granted: 1966-08-12
•
Expires: 1985-07-02
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-02 06:04
CPC Classifications
B; B04; B04B; B04B15/00; B04B1/00; B04B1/20; B04B2001/2066
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.