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US3500276A Expired / Lapsed US ⏱️ 0.0 years remaining

Electrical fuse and heater units

Assignee: Texas Instruments Inc
•
Filing: 1967-10-25
•
Granted: 1970-03-10
•
Expires: 1987-10-25
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Abstract

No abstract record available.

Inventors

  • 👤 Ashok R Hingorany
  • 👤 Joseph A Willoughby

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 04:59
CPC Classifications
H; H01; H01H; H01H85/00; H01H85/02; H01H85/04; H01H85/041; H01H85/046; H01H85/26; H01H85/263; H05; H05B; H05B3/00; H05B3/20; H05B3/22; H05B3/26

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2326257A Cited
US2934627A Cited
US2941059A Cited
US3266661A Cited
US3161457A Cited
US3297846A Cited
US3416114A Cited
US3354542A Cited
US3401369A Cited
US3445798A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-03-09 1973-09-08 1974-03-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-03-09 1977-09-08 1978-03-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-03-09 1981-09-08 1982-03-10 $7700.00 Window Closed / Lapsed

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