Patent DE971229C successfully refreshed from Google Patents.
DE971229C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Device for converting supersonic speed into pressure, especially in centrifugal compressors
Assignee: Linde GmbH
•
Filing: 1944-04-25
•
Granted: 1958-12-31
•
Expires: 1964-04-25
Abstract
No abstract record available.
Inventors
- 👤 Dr-Ing Karl Wilhelm Sorg
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-03 06:59
CPC Classifications
F; F04; F04D; F04D21/00; F04D17/00; F04D17/08; F04D17/10; F04D29/00; F04D29/40; F04D29/42; F04D29/44; F04D29/441; F04D29/444; F05; F05D; F05D2250/00; F05D2250/50; F05D2250/52
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.