Patent US1605874A successfully refreshed from Google Patents.
Patent DE2148902A1 successfully refreshed from Google Patents.
← Back to Patent Explorer
DE2148902A1 Expired / Lapsed DE ⏱️ 0.0 years remaining

Electric exhaust gas purification device

Assignee: Taiheiyo Cement Corp
•
Filing: 1971-09-30
•
Granted: —
•
Expires: 1991-09-30
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Senichi Prof Masuda

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-11-08 18:51
CPC Classifications
B; B03; B03C; B03C3/00; B03C3/02; B03C3/16

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

DE528266C Cited
DE641194C Cited
US3444668A Cited

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