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US3258122A Expired / Lapsed US ⏱️ 0.0 years remaining

Filters for liquids

Assignee: Motors Liquidation Co
•
Filing: 1963-03-18
•
Granted: 1966-06-28
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Expires: 1983-03-18
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Abstract

No abstract record available.

Inventors

  • 👤 Buckman Kenneth Ernest
  • 👤 Morris Stanley Thomas

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 14:12
CPC Classifications
B; B01; B01D; B01D27/00; B01D27/005; B01D27/04; B01D27/06; B01D27/08; B01D27/10; B01D27/103

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2734636A Cited
US2546213A Cited
US2542254A Cited
US2731154A Cited
US2877902A Cited
US2888141A Cited
US2995249A Cited
US3036711A Cited
US2995250A Cited
US3132097A Cited
US3061101A Cited
US3166498A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-06-27 1969-12-27 1970-06-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-06-27 1973-12-27 1974-06-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-06-27 1977-12-27 1978-06-28 $7700.00 Window Closed / Lapsed

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