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US2120767A Expired / Lapsed US ⏱️ 0.0 years remaining

Refrigeration apparatus

Assignee: YORK ICE MACHINERY Corp
•
Filing: 1937-05-01
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Granted: 1938-06-14
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Expires: 1957-05-01
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Abstract

No abstract record available.

Inventors

  • 👤 Francis M Raver

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 23:20
CPC Classifications
F; F25; F25B; F25B39/00; F25B39/04; F25B2339/00; F25B2339/04; F25B2339/041; Y; Y10; Y10S; Y10S165/00; Y10S165/90

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1941-06-13 1941-12-13 1942-06-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1945-06-13 1945-12-13 1946-06-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1949-06-13 1949-12-13 1950-06-14 $7700.00 Window Closed / Lapsed

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