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US2990501A Expired / Lapsed US ⏱️ 0.0 years remaining

Novel header of semiconductor devices

Assignee: Texas Instruments Inc
•
Filing: 1958-07-10
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Granted: 1961-06-27
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Expires: 1978-07-10
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Abstract

No abstract record available.

Inventors

  • 👤 Cornelison Boyd
  • 👤 James H Eddleston
  • 👤 Arthur D Evans
  • 👤 Jr Mark Shepherd
  • 👤 Robert L Trent
  • 👤 Jr Elmer A Wolff

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 10:58
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/30; H05K3/306; H10; H10W; H10W76/00; H10W76/10; H10W76/12; H10W76/161; H05K2201/00; H05K2201/09; H05K2201/09009; H05K2201/09127; H05K2201/09818; H05K2201/09954; H05K2201/20; H05K2201/2036; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49121; Y10T29/49124; Y10T29/4913; Y10T29/49139

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1794037A Cited
US2664528A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-06-26 1964-12-26 1965-06-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-06-26 1968-12-26 1969-06-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-06-26 1972-12-26 1973-06-27 $7700.00 Window Closed / Lapsed

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