← Back to Patent Explorer
CH536468A Expired / Lapsed CH ⏱️ 0.0 years remaining

Method and device for air purification in a work room, in particular in an operating room

Assignee: Fergusson Agnew Boyd
•
Filing: 1971-11-08
•
Granted: —
•
Expires: 1991-11-08
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Fergusson Agnew Boyd

Bibliographic Details

Application Number —
Jurisdiction CH
Data Source google_patents
Last Synchronized 2026-11-08 22:04
CPC Classifications
A; A61; A61G; A61G13/00; A61G13/10; A61G13/108; F; F24; F24F; F24F3/00; F24F3/12; F24F3/16; F24F3/167

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