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US3495996A Expired / Lapsed US ⏱️ 0.0 years remaining

Ceramic composition,improved electronic devices employing same,and method of fabrication

Assignee: International Business Machines Corp
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Filing: 1966-05-13
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Granted: 1970-02-17
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Expires: 1986-05-13
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Abstract

No abstract record available.

Inventors

  • 👤 Ronald A Delaney
  • 👤 Richard K Spielberger

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 21:08
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/50; C04B35/01; C04B35/46; C04B35/48; C04B35/51

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3279947A Cited
US2538554A Cited
US2708244A Cited
US2956219A Cited
US3000745A Cited
US2920971A Cited
US3277354A Cited
US3195030A Cited
US3293077A Cited
US3405002A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-02-16 1973-08-18 1974-02-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-02-16 1977-08-18 1978-02-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-02-16 1981-08-18 1982-02-17 $7700.00 Window Closed / Lapsed

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