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US4975603B1 Expired / Lapsed US ⏱️ 0.0 years remaining

US4975603B1 - - Google Patents

Assignee: Texas Instruments Inc
•
Filing: 1990-04-23
•
Granted: 1993-02-16
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Expires: 2010-04-23
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Abstract

No abstract record available.

Inventors

  • 👤 L Wise Janet
  • 👤 F Marum Steven

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 22:45
CPC Classifications
H; H03; H03K; H03K19/00; H03K19/003; H03K19/00346; H03K19/00353

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1996-02-16 1996-08-17 1997-02-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2000-02-16 2000-08-17 2001-02-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2004-02-16 2004-08-17 2005-02-16 $7700.00 Window Closed / Lapsed

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