Patent US3400512A successfully refreshed from Google Patents.
US3400512A
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Method for removing water and hydrocarbons from gaseous hci
Assignee: Phillips Petroleum Co
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Filing: 1966-07-05
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Granted: 1968-09-10
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Expires: 1986-07-05
Abstract
No abstract record available.
Inventors
- 👤 Dwight L Mckay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:42
CPC Classifications
C; C01; C01B; C01B7/00; C01B7/01; C01B7/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2271866A
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US2555287A
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US2894372A
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US2765049A
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US2984988A
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US2849083A
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US3254474A
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US3260059A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |