US3832196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High temperature,low density cement composition
Assignee: Halliburton Co
•
Filing: 1972-01-24
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Granted: 1974-08-27
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Expires: 1992-01-24
Abstract
Abstract AN OIL WELL CEMENTING COMPOSITION CONSISTING ESSENTIALLY OF A HYDRAULIC CEMENT, A POZZOLANIC MATERIAL, AND CALCIUM HYDROXIDE.
Inventors
- 👤 P Broussard
- 👤 A Fincher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:43
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/02; C09; C09K; C09K8/00; C09K8/42; C09K8/46; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/91
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-08-26 | 1978-02-25 | 1978-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-26 | 1982-02-25 | 1982-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-26 | 1986-02-25 | 1986-08-27 | $7700.00 | Window Closed / Lapsed |