Patent US3284939A successfully refreshed from Google Patents.
Patent US3874229A successfully refreshed from Google Patents.
Patent FR724515A successfully refreshed from Google Patents.
FR724515A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to shrinking machines
Assignee: CHANAY ET MAITROT
•
Filing: 1931-10-15
•
Granted: 1932-04-28
•
Expires: 1951-10-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-08 11:53
CPC Classifications
B; B21; B21J; B21J7/00; B21J7/02; B21J7/14; B21J7/16
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.