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US3412016A
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Method and apparatus for contemporaneously fractionating a plurality of hydrocarbon mixtures
Assignee: Mobil Oil AS
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Filing: 1967-03-29
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Granted: 1968-11-19
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Expires: 1987-03-29
Abstract
No abstract record available.
Inventors
- 👤 Richard G Graven
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:39
CPC Classifications
C; C10; C10G; C10G31/00; B; B01; B01D; B01D3/00; B01D3/14; B01D3/141; B01D3/16; B01D3/18; B01D3/32; B01D3/322; B01D3/42; B01D3/4211; B01D3/425; C10G7/00; Y; Y10; Y10S; Y10S203/00; Y10S203/09
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) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |