Patent JPS5228614A successfully refreshed from Google Patents.
JPS5228614A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Thyrister leonard
Assignee: Individual
•
Filing: 1975-08-30
•
Granted: —
•
Expires: 1995-08-30
Abstract
Abstract PURPOSE: Fully negative feedback thyrister Leonard system in which smooth rotation can be achieved in the range from super-low speed to full speed with uniform phase waveform. COPYRIGHT: (C)1977,JPO&Japio
Inventors
- 👤 Kenkichi Suzuki
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-10-31 20:49
CPC Classifications
—
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
JPS4740036A
Cited
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.