Patent US3072187A successfully refreshed from Google Patents.
US3072187A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production and upgrading of hydrocarbons in situ
Assignee: Phillips Petroleum Co
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Filing: 1960-05-12
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Granted: 1963-01-08
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Expires: 1980-05-12
Abstract
No abstract record available.
Inventors
- 👤 Donald E Carr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:05
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/16; E21B43/24; E21B43/243; E21B43/247
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
A PROCESS FOR PRODUCING AND UPGRADING HYDROCARBONS WHICH COMPRISES DRIVING GASEOUS HYDROCARBONS OUT OF A FIRST HYDROCARBON-CONTAINING STRATUM AT ONE LEVEL INTO
Claim 2
Dependent Claim
22 words
A PROCESS FOR PRODUCING AND UPGRADING HYDROCARBONS WHICH COMPRISES DRIVING GASEOUS HYDROCARBONS OUT OF A FIRST HYDROCARBON-CONTAINING STRATUM AT ONE LEVEL INTO
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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |