← Back to Patent Explorer
US2380952A Expired / Lapsed US ⏱️ 0.0 years remaining

Propeller shaft

Assignee: Individual
•
Filing: 1943-06-23
•
Granted: 1945-08-07
•
Expires: 1963-06-23
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Clarence L Dewey

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 07:28
CPC Classifications
B; B60; B60K; B60K17/00; B60K17/22; F; F16; F16C; F16C3/00; F16C3/02; F16C2326/00; F16C2326/01; F16C2326/06; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49925; Y10T29/49927; Y10T403/00; Y10T403/49; Y10T403/4991; Y10T403/57; Y10T403/70; Y10T403/7026

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) 1948-08-06 1949-02-05 1949-08-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1952-08-06 1953-02-05 1953-08-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1956-08-06 1957-02-05 1957-08-07 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag