Patent US3346264A successfully refreshed from Google Patents.
Patent JPS5424344A successfully refreshed from Google Patents.
JPS5424344A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Defrosting control device
Assignee: Panasonic Holdings Corp
•
Filing: 1977-07-25
•
Granted: —
•
Expires: 1997-07-25
Abstract
Abstract PURPOSE: A defrosting control device for achieving a constant frost amount irrespective of ambient conditions by such an arrangement that a defrosting operation is started after the differnece betweenthe operating temperature of an outdoor heat exchanger and its temperatur ein the beginning of heating operation has reached a set point. COPYRIGHT: (C)1979,JPO&Japio
Inventors
- 👤 Hiroshi Fujieda
- 👤 Masaaki Adachi
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-03 18:48
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)
JPS53148053A
Cited
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.