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US2814072A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for the shaping of hollow distensible structure

Assignee: McNeil Machine and Engineering Co
•
Filing: 1954-07-06
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Granted: 1957-11-26
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Expires: 1974-07-06
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Abstract

No abstract record available.

Inventors

  • 👤 Soderquist Leslie Edward

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 22:38
CPC Classifications
B; B29; B29D; B29D22/00; B29D22/02; B29D22/023

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1637465A Cited
US1167009A Cited
US1887250A Cited
US1990455A Cited
US2265346A Cited
US2363107A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-11-25 1961-05-27 1961-11-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-11-25 1965-05-27 1965-11-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-11-25 1969-05-27 1969-11-26 $7700.00 Window Closed / Lapsed

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