← Back to Patent Explorer
US2818518A Expired / Lapsed US ⏱️ 0.0 years remaining

Electric motor and method of manufacture therefor

Assignee: General Electric Co
•
Filing: 1954-03-17
•
Granted: 1957-12-31
•
Expires: 1974-03-17
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Edgar A Phaneuf
  • 👤 Springer Hans
  • 👤 John R Enochs

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 02:59
CPC Classifications
H; H02; H02K; H02K5/00; H02K5/04; H02K5/14; H02K5/143; H02K5/145; H02K13/00; H02K13/04; H02K13/06; H02K23/00; H02K23/02; H02K23/04; Y; Y10; Y10S; Y10S310/00; Y10S310/06; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/49011

Claims Analysis

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

References Cited (Backward Citations)

US773881A Cited
US1018141A Cited
US1960470A Cited
US1895460A Cited
US1950753A Cited
US2301425A Cited
DE714929C Cited
US2212192A Cited
US2265293A Cited
US2632123A Cited
US2532700A Cited
US2470096A Cited
US2688679A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-12-30 1961-07-01 1961-12-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-12-30 1965-07-01 1965-12-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-12-30 1969-07-01 1969-12-31 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag