Patent US3399542A successfully refreshed from Google Patents.
US3399542A
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US
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Method and apparatus for cooling compressor recycle gas
Assignee: Phillips Petroleum Co
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Filing: 1967-05-25
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Granted: 1968-09-03
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Expires: 1987-05-25
Abstract
No abstract record available.
Inventors
- 👤 Robert C Bracken
- 👤 Eugene D Lea
- 👤 Howard J Jobe
- 👤 Maddox De Wayne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:43
CPC Classifications
F; F25; F25B; F25B41/00; F25B41/20
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) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |