← Back to Patent Explorer
US3137166A Expired / Lapsed US ⏱️ 0.0 years remaining

Plastic chains

Assignee: Individual
•
Filing: 1955-05-02
•
Granted: 1964-06-16
•
Expires: 1975-05-02
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Edgar B Nichols

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 22:20
CPC Classifications
F; F16; F16G; F16G13/00; F16G13/02; F16G13/06

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-06-16 1967-12-16 1968-06-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-06-16 1971-12-16 1972-06-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-06-16 1975-12-16 1976-06-16 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag