Patent US7433889B1 successfully refreshed from Google Patents.
Patent CH337303A successfully refreshed from Google Patents.
← Back to Patent Explorer
CH337303A Expired / Lapsed CH ⏱️ 0.0 years remaining

Lighting medium for work and surgical operations

Assignee: Strom Erik
•
Filing: 1956-04-11
•
Granted: —
•
Expires: 1976-04-11
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Strom Erik

Bibliographic Details

Application Number —
Jurisdiction CH
Data Source google_patents
Last Synchronized 2026-11-03 19:42
CPC Classifications
A; A61; A61B; A61B90/00; A61B90/30; F; F21; F21W; F21W2131/00; F21W2131/20; F21W2131/202

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