← Back to Patent Explorer
US2389177A Expired / Lapsed US ⏱️ 0.0 years remaining

Winch

Assignee: Joy Manufacturing Co
•
Filing: 1944-03-18
•
Granted: 1945-11-20
•
Expires: 1964-03-18
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Charles F Ball

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 21:57
CPC Classifications
B; B66; B66D; B66D1/00; B66D1/26; B66D2700/00; B66D2700/01; B66D2700/0125; B66D2700/0166

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

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1948-11-19 1949-05-21 1949-11-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1952-11-19 1953-05-21 1953-11-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1956-11-19 1957-05-21 1957-11-20 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag