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US3369880A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for making humidity sensing device

Assignee: Corning Glass Works
•
Filing: 1964-12-22
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Granted: 1968-02-20
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Expires: 1984-12-22
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Abstract

No abstract record available.

Inventors

  • 👤 Virgil D Mochel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 13:18
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/22; C03C21/00; C03C21/007; G; G01; G01N; G01N27/00; G01N27/02; G01N27/04; G01N27/12; G01N27/121; C03C2217/00; C03C2217/20; C03C2217/28; C03C2217/284; C03C2217/286; C03C2218/00; C03C2218/10; C03C2218/15

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2481728A Cited
US2533246A Cited
US2662809A Cited
US2613302A Cited
US2876321A Cited
US3001918A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-02-19 1971-08-21 1972-02-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-02-19 1975-08-21 1976-02-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-02-19 1979-08-21 1980-02-20 $7700.00 Window Closed / Lapsed

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