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US2578076A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: HARRISON YOUNG Inc W
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Filing: 1945-05-08
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Granted: 1951-12-11
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Expires: 1965-05-08
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Abstract

No abstract record available.

Inventors

  • 👤 Kirby Kathryn

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 21:34
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/02; F16K15/03; Y; Y10; Y10T; Y10T137/00; Y10T137/7504; Y10T137/7722; Y10T137/7837; Y10T137/7898; Y10T137/7902

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US277277A Cited
US290314A Cited
US483635A Cited
GB189520761A Cited
US709262A Cited
GB190611142A Cited
US911353A Cited
US955931A Cited
US1036378A Cited
US2272960A Cited
US2285324A Cited
US2446767A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-12-10 1955-06-11 1955-12-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-12-10 1959-06-11 1959-12-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-12-10 1963-06-11 1963-12-11 $7700.00 Window Closed / Lapsed

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