US3044236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for removal of gases from liquids
Assignee: Phillips Petroleum Co
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Filing: 1960-07-21
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Granted: 1962-07-17
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Expires: 1980-07-21
Abstract
No abstract record available.
Inventors
- 👤 Robert G Bearden
- 👤 Leander G Schwieger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:39
CPC Classifications
B; B01; B01D; B01D19/00; B01D19/0042
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) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |