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US3213336A Expired / Lapsed US ⏱️ 0.0 years remaining

Transistor heat dissipators

Assignee: International Electronic Research Corp
•
Filing: 1960-11-22
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Granted: 1965-10-19
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Expires: 1980-11-22
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Abstract

No abstract record available.

Inventors

  • 👤 John C Mcadam

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 22:12
CPC Classifications
H; H10; H10W; H10W40/00; H10W40/60; H10W40/611; H10W40/641; H10W40/20; H10W40/231; H10W40/235; H10W40/237; Y; Y10; Y10S; Y10S165/00; Y10S165/905

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2820929A Cited
US2820930A Cited
DE1064639B Cited
US2994017A Cited
US2917286A Cited
US2942165A Cited
DE1076824B Cited
US2958515A Cited
US2935666A Cited
US2964688A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-10-18 1969-04-19 1969-10-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-10-18 1973-04-19 1973-10-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-10-18 1977-04-19 1977-10-19 $7700.00 Window Closed / Lapsed

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