Patent US4582956A successfully refreshed from Google Patents.
Patent FR970077A successfully refreshed from Google Patents.
FR970077A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
FR970077A - - Google Patents
Assignee: —
•
Filing: 1948-08-07
•
Granted: 1950-12-29
•
Expires: 1968-08-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 16:41
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/004
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.