Patent FR531414A successfully refreshed from Google Patents.
FR531414A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to machines for mixing or kneading rubber and other similar materials
Assignee: Farrel Foundry & Machine Co
•
Filing: 1920-11-26
•
Granted: 1922-01-12
•
Expires: 1940-11-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-08 22:27
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/02; B29B7/06; B29B7/10; B29B7/12; B29B7/125; B29B7/22; B29B7/24; B29B7/26; B29B7/74; B29B7/7476; B29B7/7495; B29B7/80; B29B7/82; B29B7/826
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.