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US910682A Expired / Lapsed US ⏱️ 0.0 years remaining

Electric heater.

Assignee: General Electric Co
•
Filing: 1908-07-09
•
Granted: 1909-01-26
•
Expires: 1928-07-09
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Abstract

No abstract record available.

Inventors

  • 👤 George H Hill

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 01:05
CPC Classifications
H; H05; H05B; H05B1/00; H05B1/02; H05B1/0227; H05B1/023; H05B1/0236; H01; H01H; H01H37/00; H01H37/02; H01H37/32; H01H37/52; H01H47/00; H01H47/22; H01H47/36; Y; Y10; Y10T; Y10T137/00; Y10T137/2931

Claims Analysis

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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) 1912-01-26 1912-07-27 1913-01-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1916-01-26 1916-07-27 1917-01-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1920-01-26 1920-07-27 1921-01-26 $7700.00 Window Closed / Lapsed

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