US3390723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing and using a plugging or diverting agent
Assignee: Halliburton Co
•
Filing: 1965-06-16
•
Granted: 1968-07-02
•
Expires: 1985-06-16
Abstract
No abstract record available.
Inventors
- 👤 Wayne F Hower
- 👤 James A Derby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:03
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/50; C09K8/504; C09K8/5045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3202214A
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US3146200A
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US3167510A
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US3251768A
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US3198268A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |