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US1480394A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: HENRIETTA POLLITZER HARTFORD
•
Filing: 1920-07-14
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Granted: 1924-01-08
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Expires: 1940-07-14
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Abstract

No abstract record available.

Inventors

  • 👤 Ernest M Johnson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 15:30
CPC Classifications
H; H01; H01H; H01H21/00; H01H21/02; H01H21/18; H01H21/36; H01H21/40; H01H21/46; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/18896

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) 1927-01-07 1927-07-09 1928-01-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1931-01-07 1931-07-09 1932-01-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1935-01-07 1935-07-09 1936-01-08 $7700.00 Window Closed / Lapsed

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