← Back to Patent Explorer
US2404378A Expired / Lapsed US ⏱️ 0.0 years remaining

Antifriction worm drive

Assignee: Cleveland Pneumatic Tool Co
•
Filing: 1944-08-01
•
Granted: 1946-07-23
•
Expires: 1964-08-01
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Henry S Hoffar

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 07:55
CPC Classifications
F; F16; F16H; F16H57/00; F16H57/02; F16H57/039; B; B62; B62D; B62D3/00; B62D3/02; B62D3/04; B62D3/06; B62D3/08; F16H1/00; F16H1/02; F16H1/04; F16H1/12; F16H1/16; F16H1/163; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/1956; Y10T74/19565; Y10T74/19949; Y10T74/19953

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) 1949-07-22 1950-01-21 1950-07-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1953-07-22 1954-01-21 1954-07-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1957-07-22 1958-01-21 1958-07-23 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag