Patent JPS528540A successfully refreshed from Google Patents.
JPS528540A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Solar thermal hot water generator
Assignee: KURAKAKE NORIO
•
Filing: 1975-07-11
•
Granted: —
•
Expires: 1995-07-11
Abstract
Abstract PURPOSE: The above captioned hot water generator to be used floating on a pond or sea. COPYRIGHT: (C)1977,JPO&Japio
Inventors
- 👤 Yoshio Kurakake
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-07 12:45
CPC Classifications
Y; Y02; Y02E; Y02E10/00; Y02E10/40; Y02E10/44
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3357898A
Cited
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.