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US3465767A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for liquid transfer

Assignee: Innospec France SA
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Filing: 1967-04-20
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Granted: 1969-09-09
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Expires: 1987-04-20
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Abstract

No abstract record available.

Inventors

  • 👤 Robert L Peres

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 06:39
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/32; B67D7/3209; B01; B01J; B01J4/00; B01J4/008; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0324; Y10T137/2931; Y10T137/3109

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2487863A Cited
US2791964A Cited
US2856950A Cited
US3106071A Cited
US3211171A Cited
US3307331A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-09-08 1973-03-10 1973-09-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-09-08 1977-03-10 1977-09-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-09-08 1981-03-10 1981-09-09 $7700.00 Window Closed / Lapsed

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