DE847236C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Freely movable piston for separating a liquid fluid with noticeable spatial compressibility from a gaseous fluid in a cylinder
Assignee: Individual
•
Filing: 1950-11-21
•
Granted: 1952-08-21
•
Expires: 1970-11-21
Abstract
No abstract record available.
Inventors
- 👤 Jean Louis Gratzmuller
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-02 15:22
CPC Classifications
F; F15; F15B; F15B1/00; F15B1/02; F15B1/04; F15B1/08; F15B1/24; F16; F16J; F16J1/00; F16J1/005; F16J1/006; F16J1/008; F15B2201/00; F15B2201/20; F15B2201/205; F15B2201/30; F15B2201/31; F15B2201/312; F15B2201/40; F15B2201/41; F15B2201/415
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.