DE674901C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Valve for heating systems
Assignee: ROSSWEINER METALLWARENFABRIK C
•
Filing: 1936-08-05
•
Granted: 1939-04-25
•
Expires: 1956-08-05
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-05 13:20
CPC Classifications
F; F16; F16K; F16K41/00; F16K41/10; F16K1/00; F16K1/32; F16K1/52
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.