← Back to Patent Explorer
US1605931A Expired / Lapsed US ⏱️ 0.0 years remaining

Change-speed mechanism fob machine tools

Assignee: —
•
Filing: —
•
Granted: 1926-11-09
•
Expires: 1943-11-09
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 09:26
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/02; B23Q5/04; B23Q5/12; B23Q5/14; B23Q5/142; B23Q2705/00; B23Q2705/02; B23Q2705/06; B23Q2705/062; B23Q2705/064; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19242

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) 1929-11-08 1930-05-10 1930-11-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1933-11-08 1934-05-10 1934-11-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1937-11-08 1938-05-10 1938-11-09 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag