Patent US3162128A successfully refreshed from Google Patents.
FR487762A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Process for heating cold water intended for supplying hot water to buildings, etc.
Assignee: Individual
•
Filing: 1917-11-26
•
Granted: 1918-07-24
•
Expires: 1937-11-26
Abstract
No abstract record available.
Inventors
- 👤 Henri Zoelly
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-22 22:24
CPC Classifications
F; F24; F24D; F24D17/00; F24D17/02; F25; F25B; F25B30/00; F25B30/06
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.