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US1880877A Expired / Lapsed US ⏱️ 0.0 years remaining

Refrigerating apparatus

Assignee: Frigidaire Corp
•
Filing: 1928-03-31
•
Granted: 1932-10-04
•
Expires: 1948-03-31
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Abstract

No abstract record available.

Inventors

  • 👤 Herman J Dick

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 19:31
CPC Classifications
F; F25; F25B; F25B39/00; F25B39/02; F25B2339/00; F25B2339/02; F25B2339/023

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) 1935-10-04 1936-04-04 1936-10-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1939-10-04 1940-04-04 1940-10-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1943-10-04 1944-04-04 1944-10-04 $7700.00 Window Closed / Lapsed

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