Patent US1977325A successfully refreshed from Google Patents.
DK89469C
Expired / Lapsed
DK
⏱️ 0.0 years remaining
Assembly sleeve for pipes.
Assignee: Eternit Fab Dansk As
•
Filing: 1958-01-10
•
Granted: 1960-08-01
•
Expires: 1978-01-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DK
Data Source
google_patents
Last Synchronized
2026-10-22 23:44
CPC Classifications
—
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.