Patent US4353573A successfully refreshed from Google Patents.
AT355336B
Expired / Lapsed
AT
⏱️ 0.0 years remaining
FREQUENCY GEAR CORRECTION
Assignee: Ampex
•
Filing: 1975-12-18
•
Granted: 1980-02-25
•
Expires: 1995-12-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
AT
Data Source
google_patents
Last Synchronized
2026-11-05 20:08
CPC Classifications
H; H03; H03G; H03G5/00; H03G5/02; H03G5/025; H03H; H03H11/00; H03H11/02; H03H11/04; H03H11/12; H03H11/1217; H04; H04R; H04R3/00; H04R3/04
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.