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US2870356A Expired / Lapsed US ⏱️ 0.0 years remaining

Electric motor structure

Assignee: Individual
•
Filing: 1955-07-08
•
Granted: 1959-01-20
•
Expires: 1975-07-08
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Abstract

No abstract record available.

Inventors

  • 👤 George M Gibson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 23:02
CPC Classifications
H; H02; H02K; H02K5/00; H02K5/04; H02K5/15; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49075; Y10T29/49078

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

NL60436C Cited
US1123319A Cited
US1408931A Cited
US1652401A Cited
US2039456A Cited
US2120427A Cited
US2092043A Cited
US2530532A Cited
US2460063A Cited
US2490209A Cited
US2462204A Cited
US2512905A Cited
US2603674A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-01-19 1962-07-21 1963-01-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-01-19 1966-07-21 1967-01-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-01-19 1970-07-21 1971-01-20 $7700.00 Window Closed / Lapsed

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