DE68476C
Active / In Force
DE
Drill bit with sealing head
Assignee: U. LANGENEGGER in München, Forstenriederstr. 5 a
•
Filing: —
•
Granted: —
•
Expires: —
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-03 09:17
CPC Classifications
B; B23; B23B; B23B51/00; B23B51/02
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.