US3071481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cement composition
Assignee: Gulf Oil Corp
•
Filing: 1959-11-27
•
Granted: 1963-01-01
•
Expires: 1979-11-27
Abstract
No abstract record available.
Inventors
- 👤 Horace J Beach
- 👤 Homer C Morgan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:33
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/02; C04B28/04; Y; Y10; Y10S; Y10S106/00; Y10S106/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A CEMENT COMPOSITION CONSISTING ESSENTIALLY OF A HYDRAULIC CEMENT, 12 TO 35 PERCENT OF A COLLOIDAL CLAY, 0.5 TO 5.0 PERCENT OF AN INORGANIC DISPERSING AGENT, THE PERCONSISTING OF SODIUM CHLORIDE AND CALCIUM CHLORIDE, AND 0.1 TO 1.5 PERCENT OF AN ORGANIC DISPERSING AGENT, THE PERCENTAGES OF COLLOIDAL CLAY, INORGANIC SALT, AND OGANIC DISPERSING AGENT BEING EXPRESSED IN PERRCENTAGE BY WEIGHT OF THE HYDRAULIC CEMENT.
Claim 2
Dependent Claim
65 words
A CEMENT COMPOSITION CONSISTING ESSENTIALLY OF A HYDRAULIC CEMENT, 12 TO 35 PERCENT OF A COLLOIDAL CLAY, 0.5 TO 5.0 PERCENT OF AN INORGANIC DISPERSING AGENT, THE PERCONSISTING OF SODIUM CHLORIDE AND CALCIUM CHLORIDE, AND 0.1 TO 1.5 PERCENT OF AN ORGANIC DISPERSING AGENT, THE PERCENTAGES OF COLLOIDAL CLAY, INORGANIC SALT, AND OGANIC DISPERSING AGENT BEING EXPRESSED IN PERRCENTAGE BY WEIGHT OF THE HYDRAULIC CEMENT.
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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) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |