Patent US1925301A successfully refreshed from Google Patents.
Patent US4184902A successfully refreshed from Google Patents.
Patent USB535448I5 successfully refreshed from Google Patents.
USB535448I5
Expired / Lapsed
US
⏱️ 0.0 years remaining
USB535448I5 - - Google Patents
Assignee: —
•
Filing: 1974-12-23
•
Granted: —
•
Expires: 1994-12-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:57
CPC Classifications
G; G11; G11B; G11B23/00; G11B23/02; G11B23/113
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.