US2998096A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil, gas, and water separator
Assignee: Gulf Oil Corp
•
Filing: 1958-10-28
•
Granted: 1961-08-29
•
Expires: 1978-10-28
Abstract
No abstract record available.
Inventors
- 👤 Rollie J Snipes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:56
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/34; F; F22; F22B; F22B37/00; F22B37/02; F22B37/26; F22B37/265
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2734593A
Cited
US1581371A
Cited
US2701620A
Cited
US2753046A
Cited
US2664170A
Cited
US2726729A
Cited
US2773556A
Cited
US2861647A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-28 | 1965-02-27 | 1965-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-28 | 1969-02-27 | 1969-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-28 | 1973-02-27 | 1973-08-29 | $7700.00 | Window Closed / Lapsed |