DE441952C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Device for sealing the piston drum on the control surface for piston machines with rotating piston drum and pistons displaceable parallel to the main shaft
Assignee: Individual
•
Filing: 1925-06-26
•
Granted: 1927-03-17
•
Expires: 1945-06-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-02 06:32
CPC Classifications
F; F04; F04B; F04B1/00; F04B1/12; F04B1/20; F04B1/2014; F04B1/2064; F04B1/2007; F04B1/2035; F04B1/2042; F04B1/205
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.