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US3048030A Expired / Lapsed US ⏱️ 0.0 years remaining

Melt index apparatus

Assignee: Phillips Petroleum Co
•
Filing: 1958-05-29
•
Granted: 1962-08-07
•
Expires: 1978-05-29
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Abstract

No abstract record available.

Inventors

  • 👤 Haven Clark G De

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 00:03
CPC Classifications
G; G01; G01N; G01N11/00; G01N11/02; G01N11/04; G01N11/08; G01N33/00; G01N33/26; G01N33/44; G01N33/442

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1848928A Cited
US2023309A Cited
US2045548A Cited
US2696374A Cited
GB681197A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-08-06 1966-02-05 1966-08-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-08-06 1970-02-05 1970-08-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-08-06 1974-02-05 1974-08-07 $7700.00 Window Closed / Lapsed

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