Patent US4640644A successfully refreshed from Google Patents.
Patent DE328060C successfully refreshed from Google Patents.
← Back to Patent Explorer
DE328060C Expired / Lapsed DE ⏱️ 0.0 years remaining

Screw locking

Assignee: Individual
•
Filing: —
•
Granted: 1920-10-22
•
Expires: 1937-10-22
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-10-24 16:27
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/22; F16B39/24

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