CH136999A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Device for improving the side sealing on working machines with rotating or oscillating pistons.
Assignee: Schmied Walther
•
Filing: 1928-08-24
•
Granted: —
•
Expires: 1948-08-24
Abstract
No abstract record available.
Inventors
- 👤 Schmied Walther
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-10-23 00:39
CPC Classifications
F; F01; F01C; F01C19/00; F01C19/08
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.