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US3453887A Expired / Lapsed US ⏱️ 0.0 years remaining

Temperature change measuring device

Assignee: Corning Glass Works
•
Filing: 1967-02-08
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Granted: 1969-07-08
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Expires: 1987-02-08
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Abstract

No abstract record available.

Inventors

  • 👤 Frank T Wooten

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 20:11
CPC Classifications
H; H10; H10N; H10N15/00; H10N15/10; G; G01; G01K; G01K7/00; G01K7/003; G01K7/01

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3234413A Cited
US3287506A Cited
US3374406A Cited
US3294988A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-07-07 1973-01-06 1973-07-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-07-07 1977-01-06 1977-07-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-07-07 1981-01-06 1981-07-08 $7700.00 Window Closed / Lapsed

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