Patent US1904580A successfully refreshed from Google Patents.
← Back to Patent Explorer
AT307326B Expired / Lapsed AT ⏱️ 0.0 years remaining

Process for producing a lining for pressure tunnels or pressure shafts

Assignee: Basf Ag
•
Filing: 1969-08-06
•
Granted: 1973-05-25
•
Expires: 1989-08-06
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction AT
Data Source google_patents
Last Synchronized 2026-11-02 11:38
CPC Classifications
E; E02; E02B; E02B9/00; E02B9/02; E02B9/06; Y; Y02; Y02E; Y02E10/00; Y02E10/20

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.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag