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US3376444A Expired / Lapsed US ⏱️ 0.0 years remaining

Carbon brush assembly

Assignee: Carbone Corp
•
Filing: 1965-09-13
•
Granted: 1968-04-02
•
Expires: 1985-09-13
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Abstract

No abstract record available.

Inventors

  • 👤 Jr Edgar P Eaton
  • 👤 Elow David

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 11:25
CPC Classifications
H; H01; H01R; H01R39/00; H01R39/02; H01R39/38; H01R39/40; H01R39/41

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US626708A Cited
DE651170C Cited
US1743682A Cited
US2199532A Cited
US2615939A Cited
GB1039415A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-04-02 1971-10-02 1972-04-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-04-02 1975-10-02 1976-04-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-04-02 1979-10-02 1980-04-02 $7700.00 Window Closed / Lapsed

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