Patent US3207935A successfully refreshed from Google Patents.
Patent DE968896C successfully refreshed from Google Patents.
DE968896C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Device for proportionally adding fluids to a fluid stream
Assignee: Lewa O H G Ott & Schestag
•
Filing: 1952-04-09
•
Granted: 1958-04-03
•
Expires: 1972-04-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-29 23:22
CPC Classifications
G; G01; G01F; G01F5/00; G01F5/005; F; F22; F22D; F22D11/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.