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US3051035A Expired / Lapsed US ⏱️ 0.0 years remaining

Flexible pyroscopes

Assignee: American Optical Corp
•
Filing: 1960-05-17
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Granted: 1962-08-28
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Expires: 1980-05-17
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Abstract

No abstract record available.

Inventors

  • 👤 Andrew A Root

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 17:12
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/44; G02B6/4401; G02B6/4415; G02B6/4427; G02B6/4428; F; F23; F23M; F23M11/00; F23M11/04; F23M11/045; F23N; F23N5/00; F23N5/02; F23N5/08; G02B6/24; G02B6/36; G02B6/38; G02B6/3807; G02B6/381; G02B6/3814; G02B6/42; G02B6/4296; G02B6/26; G02B6/35; G02B6/3502; G02B6/3504; G02B6/3833; G02B6/3854

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2113450A Cited
US2295045A Cited
US2567036A Cited
US2825260A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-08-27 1966-02-26 1966-08-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-08-27 1970-02-26 1970-08-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-08-27 1974-02-26 1974-08-28 $7700.00 Window Closed / Lapsed

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