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US3407569A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for separating compressible and incompressible fluids in a mixture thereof

Assignee: OI Glass Inc
•
Filing: 1965-03-05
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Granted: 1968-10-29
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Expires: 1985-03-05
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Abstract

No abstract record available.

Inventors

  • 👤 John E Hendricks

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 17:25
CPC Classifications
B; B01; B01D; B01D19/00; B01D19/02

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3061438A Cited
US1640707A Cited
US2560874A Cited
US2790598A Cited
US3256677A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-10-29 1972-04-29 1972-10-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-10-29 1976-04-29 1976-10-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-10-29 1980-04-29 1980-10-29 $7700.00 Window Closed / Lapsed

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