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US3512394A Expired / Lapsed US ⏱️ 0.0 years remaining

Temperature and composition dependent property measuring

Assignee: Phillips Petroleum Co
•
Filing: 1967-10-25
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Granted: 1970-05-19
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Expires: 1987-10-25
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Abstract

No abstract record available.

Inventors

  • 👤 Louis D Kleiss

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 02:40
CPC Classifications
G; G01; G01N; G01N11/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2708361A Cited
US2837913A Cited
US3090222A Cited
SU889942A1 Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-05-18 1973-11-17 1974-05-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-05-18 1977-11-17 1978-05-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-05-18 1981-11-17 1982-05-19 $7700.00 Window Closed / Lapsed

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