Patent US1671011A successfully refreshed from Google Patents.
Patent DE921606C successfully refreshed from Google Patents.
DE921606C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Seat plate with individual valves arranged on concentric circles for compressors, pumps, etc. like
Assignee: Borsig GmbH
•
Filing: 1953-05-03
•
Granted: 1954-12-23
•
Expires: 1973-05-03
Abstract
No abstract record available.
Inventors
- 👤 Erwin Schulze
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-06 14:15
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/02; F16K15/025; F16K15/026; F04; F04B; F04B39/00; F04B39/10; F04B39/102
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.