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US2601566A Expired / Lapsed US ⏱️ 0.0 years remaining

Closure operating mechanism

Assignee: McNeil Machine and Engineering Co
•
Filing: 1949-03-24
•
Granted: 1952-06-24
•
Expires: 1969-03-24
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Abstract

No abstract record available.

Inventors

  • 👤 Leslie E Soderquist

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 11:25
CPC Classifications
B; B01; B01J; B01J3/00; B01J3/03

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1158875A Cited
US1127278A Cited
US1230316A Cited
US1771241A Cited
US1921415A Cited
US1967346A Cited
US2105873A Cited
US2097932A Cited
US2254926A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-06-24 1955-12-24 1956-06-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-06-24 1959-12-24 1960-06-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-06-24 1963-12-24 1964-06-24 $7700.00 Window Closed / Lapsed

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