Patent DE537503C successfully refreshed from Google Patents.
DE537503C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Formation of the jet nozzle with a grinding spindle driven by a turbine
Assignee: RICHARD GRIEVING DIPL ING
•
Filing: —
•
Granted: 1931-11-04
•
Expires: 1948-11-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-30 02:31
CPC Classifications
B; B24; B24B; B24B23/00; B24B23/02; B24B23/026
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.