US3091292A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recovering hydrocarbons from subsurface formations
Assignee: Texaco Inc
•
Filing: 1959-02-12
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Granted: 1963-05-28
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Expires: 1979-02-12
Abstract
No abstract record available.
Inventors
- 👤 Paul F Kerr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:28
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/16; E21B43/17; E21B43/25; E21B43/26; E21B43/263
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
A METHOD OF PRODUCING HYDROCARBONS FROM A SUBSURFACE HYDROCARBON-CONTAINING FORMATION IN CONTACT WITH
Claim 2
Independent Claim
13 words
A METHOD OF PRODUCING HYDROCARBONS FROM A SUBSURFACE HYDROCARBON-CONTAINING FORMATION IN CONTACT WITH
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) | 1966-05-27 | 1966-11-26 | 1967-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-27 | 1970-11-26 | 1971-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-27 | 1974-11-26 | 1975-05-28 | $7700.00 | Window Closed / Lapsed |