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US2889689A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for chilling perishable materials such as foodstuffs

Assignee: Union Stock Yard and Transit Co
•
Filing: 1956-11-16
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Granted: 1959-06-09
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Expires: 1976-11-16
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Abstract

No abstract record available.

Inventors

  • 👤 Willard L Morrison

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 11:00
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/80; A23B2/805; A23B2/8055; A23B2/803; A23B2/8033; F; F25; F25D; F25D3/00; F25D3/10

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US824459A Cited
US2618939A Cited
US2555502A Cited
US2715323A Cited
US2784566A Cited
US2784567A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-06-08 1962-12-08 1963-06-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-06-08 1966-12-08 1967-06-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-06-08 1970-12-08 1971-06-09 $7700.00 Window Closed / Lapsed

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