Patent FR1049007A successfully refreshed from Google Patents.
FR1049007A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Shut-off valve for devices for filling or emptying spaces filled under pressure
Assignee: Heinrich Koppers GmbH
•
Filing: 1951-12-18
•
Granted: 1953-12-28
•
Expires: 1971-12-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-04 14:49
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/08; F16K5/14; F16K5/20; F16K5/205; C; C10; C10J; C10J3/00; C10J3/02; C10J3/20; C10J3/30
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.