Patent DE891480C successfully refreshed from Google Patents.
DE891480C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Shut-off valve
Assignee: Individual
•
Filing: 1950-10-15
•
Granted: 1953-09-28
•
Expires: 1970-10-15
Abstract
No abstract record available.
Inventors
- 👤 Johannes Bernadus Ratelband
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-06 11:13
CPC Classifications
F; F16; F16K; F16K7/00; F16K7/02; F16K7/04; F16K7/07; F16K7/075
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.