Patent AT195868B successfully refreshed from Google Patents.
AT195868B
Expired / Lapsed
AT
⏱️ 0.0 years remaining
Mobile rotary and percussion drilling unit with folding mast for deep drilling
Assignee: Slovacke Strojirny Narodni Pod
•
Filing: 1956-09-18
•
Granted: 1958-02-25
•
Expires: 1976-09-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
AT
Data Source
google_patents
Last Synchronized
2026-10-28 19:41
CPC Classifications
E; E21; E21B; E21B6/00
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.