Patent US3419369A successfully refreshed from Google Patents.
US3419369A
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Manufacturing town gas from liquefied natural gas
Assignee: Phillips Petroleum Co
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Filing: 1965-03-19
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Granted: 1968-12-31
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Expires: 1985-03-19
Abstract
No abstract record available.
Inventors
- 👤 Carl S Kelley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:16
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/02; C01B3/32; C01B3/34; C01B3/36; C01B3/22; C10; C10K; C10K3/00; C10K3/06; F; F17; F17C; F17C9/00; F17C9/02; F17C9/04; F25; F25J; F25J3/00; F25J3/02; F25J3/04; F25J3/04151; F25J3/04157; F25J3/04248; F25J3/04254; F25J3/0426; F25J3/04266; F25J3/04521; F25J3/04527; F25J3/04539; F25J3/04593; F25J3/046; F25J3/04612; F25J3/04618; G; G05; G05D; G05D21/00; G05D21/02; F17C2221/00; F17C2221/01; F17C2221/011; F17C2221/03; F17C2221/031; F17C2221/032; F17C2221/033; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2227/00; F17C2227/03; F17C2227/0367; F17C2227/0388; F17C2227/0393; F25J2210/00; F25J2210/62; F25J2250/00; F25J2250/30; F25J2250/40; F25J2250/50; F25J2270/00; F25J2270/90; F25J2270/904; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |