← Back to Patent Explorer
CH218022A Expired / Lapsed CH ⏱️ 0.0 years remaining

Gas filter.

Assignee: Scherrer Jakob
•
Filing: 1941-04-05
•
Granted: —
•
Expires: 1961-04-05
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Scherrer Jakob

Bibliographic Details

Application Number —
Jurisdiction CH
Data Source google_patents
Last Synchronized 2026-10-28 00:58
CPC Classifications
C; C10; C10K; C10K1/00; C10K1/02; C10K1/024; B; B01; B01D; B01D46/00; B01D46/24; B01D46/26

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