DE872002C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Self-regulating proportioner for introducing foaming agents into pipes carrying pressurized water
Assignee: Total Foerstner and Co
•
Filing: 1945-03-28
•
Granted: 1953-03-26
•
Expires: 1965-03-28
Abstract
No abstract record available.
Inventors
- 👤 Friedrich Dipl-Ing Emmrich
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-30 03:58
CPC Classifications
B; B01; B01F; B01F25/00; B01F25/30; B01F25/31; B01F25/311; B01F25/3111; B01F25/312; B01F25/3124; B01F25/31242
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.