← Back to Patent Explorer
US2674136A Expired / Lapsed US ⏱️ 0.0 years remaining

Change speed transmission

Assignee: Individual
•
Filing: 1948-10-08
•
Granted: 1954-04-06
•
Expires: 1968-10-08
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Artis C Bryan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 07:16
CPC Classifications
B; B60; B60K; B60K17/00; B60K17/36; F; F16; F16H; F16H37/00; F16H2700/00; F16H2700/02; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19074; Y10T74/19079; Y10T74/19084; Y10T74/19112; Y10T74/19116; Y10T74/19219; Y10T74/19242; Y10T74/19377; Y10T74/19386; Y10T74/194

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

FR450247A Cited
US1916501A Cited
US2085322A Cited
FR799949A Cited
US2356522A Cited
US2344388A Cited
US2314833A Cited
US2395108A Cited
US2397587A Cited
US2431727A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-04-05 1957-10-05 1958-04-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-04-05 1961-10-05 1962-04-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-04-05 1965-10-05 1966-04-06 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag