← Back to Patent Explorer
US1959533A Expired / Lapsed US ⏱️ 0.0 years remaining

Hydraulic clutch

Assignee: Individual
•
Filing: 1932-08-05
•
Granted: 1934-05-22
•
Expires: 1952-08-05
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Iverson William

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 11:26
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/44; F16H3/72; F16H3/721; F16H3/722

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) 1937-05-21 1937-11-20 1938-05-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1941-05-21 1941-11-20 1942-05-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1945-05-21 1945-11-20 1946-05-22 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag