Patent US3419072A successfully refreshed from Google Patents.
US3419072A
Expired / Lapsed
US
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Consolidation of subterranean formations
Assignee: Union Oil Company of California
•
Filing: 1966-10-06
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Granted: 1968-12-31
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Expires: 1986-10-06
Abstract
No abstract record available.
Inventors
- 👤 George P Maly
- 👤 Gerould H Smith
- 👤 George G Bernard
- 👤 John R Fox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:21
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3123138A
Cited
US3047067A
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US3097692A
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US3176767A
Cited
US3294168A
Cited
US3291214A
Cited
US3339633A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |