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US3438759A Expired / Lapsed US ⏱️ 0.0 years remaining

Gas reformer and control means

Assignee: Consolidated Natural Gas Service Co Inc
•
Filing: 1965-12-03
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Granted: 1969-04-15
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Expires: 1985-12-03
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Abstract

No abstract record available.

Inventors

  • 👤 Henry R Linden
  • 👤 Bernard S Baker
  • 👤 John Meek
  • 👤 Arthur C Allen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 20:06
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/02; C01B3/32; C01B3/34; C01B3/38; C01B3/384; C01B3/48; C01B3/50; H; H01; H01M; H01M8/00; H01M8/06; H01M8/0606; H01M8/0612; H01M8/0625; H01M8/0631; C01B2203/00; C01B2203/02; C01B2203/0205; C01B2203/0227; C01B2203/0233; C01B2203/0283; C01B2203/04; C01B2203/0435; C01B2203/0445; C01B2203/0465; C01B2203/047; C01B2203/06; C01B2203/066; C01B2203/08; C01B2203/0805; C01B2203/0811; C01B2203/0833; C01B2203/0866; C01B2203/0872; C01B2203/0883; C01B2203/10; C01B2203/1005; C01B2203/1011; C01B2203/12; C01B2203/1205; C01B2203/1211; C01B2203/1235; C01B2203/1241; C01B2203/16; C01B2203/1614; C01B2203/1628; C01B2203/169; C01B2203/80; C01B2203/82; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50; Y02P; Y02P20/00; Y02P20/10; Y02P20/129

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2465235A Cited
US3194644A Cited
US2747970A Cited
GB993973A Cited
US3088919A Cited
US3216782A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-04-14 1972-10-14 1973-04-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-04-14 1976-10-14 1977-04-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-04-14 1980-10-14 1981-04-15 $7700.00 Window Closed / Lapsed

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