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US2776755A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for straining liquids

Assignee: WITTEMANN Co Inc
•
Filing: 1951-02-14
•
Granted: 1957-01-08
•
Expires: 1971-02-14
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Abstract

No abstract record available.

Inventors

  • 👤 Francis A Craig

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 06:40
CPC Classifications
C; C12; C12C; C12C7/00; C12C7/24

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US155521A Cited
US550583A Cited
US1450560A Cited
US1799299A Cited
US1983232A Cited
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US2312764A Cited
US2468296A Cited
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US2608910A Cited
US2547577A Cited
US2502726A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-01-08 1960-07-09 1961-01-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-01-08 1964-07-09 1965-01-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-01-08 1968-07-09 1969-01-08 $7700.00 Window Closed / Lapsed

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