← Back to Patent Explorer
CH192195A Expired / Lapsed CH ⏱️ 0.0 years remaining

Device to prevent the screwdriver from slipping when tightening slotted head screws.

Assignee: Scheitlin Alexander
•
Filing: 1936-03-30
•
Granted: —
•
Expires: 1956-03-30
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Scheitlin Alexander

Bibliographic Details

Application Number —
Jurisdiction CH
Data Source google_patents
Last Synchronized 2026-10-23 15:34
CPC Classifications
B; B25; B25B; B25B15/00; B25B15/02; F; F16; F16B; F16B23/00; F16B23/0007; F16B23/0015

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