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US1932406A Expired / Lapsed US ⏱️ 0.0 years remaining

Electric liquid-heating apparatus

Assignee: Individual
•
Filing: 1933-04-28
•
Granted: 1933-10-31
•
Expires: 1953-04-28
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Abstract

No abstract record available.

Inventors

  • 👤 Joseph W Harris

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 23:25
CPC Classifications
F; F24; F24H; F24H1/00; F24H1/10; F24H1/101; F24H1/102; F24H1/103; Y; Y10; Y10S; Y10S159/00; Y10S159/01

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1936-10-30 1937-05-01 1937-10-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1940-10-30 1941-05-01 1941-10-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1944-10-30 1945-05-01 1945-10-31 $7700.00 Window Closed / Lapsed

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