Patent SE306510B successfully refreshed from Google Patents.
SE306510B
Expired / Lapsed
SE
⏱️ 0.0 years remaining
Core lifter
Assignee: Longyear E Co
•
Filing: 1966-08-25
•
Granted: —
•
Expires: 1986-08-25
Abstract
No abstract record available.
Inventors
- 👤 L Lindelof
Bibliographic Details
Application Number
—
Jurisdiction
SE
Data Source
google_patents
Last Synchronized
2026-11-04 18:33
CPC Classifications
E; E21; E21B; E21B25/00; E21B25/02; E21B25/10; E21B25/12
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.