US3728093A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of synthetic pipeline gas
Assignee: Transcontinental Gas Pipe Line Corp
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Filing: 1971-10-14
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Granted: 1973-04-17
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Expires: 1991-10-14
Abstract
Abstract APPARATUS FOR PRODUCTION OF SYNTHETIC PIPELINE GAS OF DESIRED HEATING VALUE BY INTEGRATING ASYSTEM OF PRODUCING SYNTHETIC GAS FROM A CARBONACEOUS MATERIAL IN A GAS GENERATOR WITH A SYSTEM OF PROCESSING A LIQUEFIED NATURAL GAS WHEREBY THE LEANER OUTPUT FROM THE GAS GENERATOR IS ADVANTAGEOUSLY COMBINED WITH THE RICHER OUTPUT FROM THE LIQUEFIED NATURAL GAS SYSTEM TO PROVIDE THE DESIRED GAS HEATING VALUE, AND THE COLD TEMPERATURES OF THE LIQUEFIED NATURAL GAS SYSTEM IS ADVANTAGEOUSLY UTILIZED IN THE GAS GENERATOR SYSTEM. D R A W I N G
Inventors
- 👤 W Cofield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:20
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/02; C01B3/32; C01B3/34; C01B13/00; C01B13/02; C01B13/0229; C10; C10J; C10J1/00; C10J1/207; F; F17; F17C; F17C9/00; F17C9/02; F17C9/04; F25; F25J; F25J3/00; F25J3/02; F25J3/0204; F25J3/0209; F25J3/0214; F25J3/0228; F25J3/0233; F25J3/0238; F25J3/04; F25J3/04248; F25J3/04254; F25J3/0426; F25J3/04266; F25J3/04521; F25J3/04527; F25J3/04539; F25J3/04545; F25J3/04563; C01B2203/00; C01B2203/02; C01B2203/0205; C01B2203/0227; C01B2203/0244; C01B2203/0283; C01B2203/04; C01B2203/0415; C01B2203/042; C01B2203/0435; C01B2203/0445; C01B2203/0465; C01B2203/047; C01B2203/0475; C01B2203/0485; C01B2203/049; C01B2203/0495; C01B2203/06; C01B2203/062; C01B2203/08; C01B2203/0872; C01B2203/0883; C01B2203/12; C01B2203/1205; C01B2203/1211; C01B2203/1235; C01B2203/1247; C01B2203/14; C01B2203/148; C01B2210/00; C01B2210/0043; C01B2210/0046; C10G; C10G2400/00; C10G2400/26; C10J2300/00; C10J2300/09; C10J2300/0913; C10J2300/093; C10J2300/0953; C10J2300/0959; C10J2300/0973; C10J2300/16; C10J2300/164; C10J2300/1656; C10J2300/1662; C10J2300/1678; F17C2221/00; F17C2221/01; F17C2221/011; F17C2221/012; F17C2221/014; F17C2221/03; F17C2221/031; F17C2221/032; F17C2221/033; F17C2227/00; F17C2227/03; F17C2227/0302; F25J2260/00; F25J2260/60; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/32; Y02P; Y02P20/00; Y02P20/10; Y02P20/129
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) | 1976-04-16 | 1976-10-16 | 1977-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-16 | 1980-10-16 | 1981-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-16 | 1984-10-16 | 1985-04-17 | $7700.00 | Window Closed / Lapsed |