Patent US3098754A successfully refreshed from Google Patents.
US3098754A
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Method for preparing cellular cement
Assignee: Phillips Petroleum Co
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Filing: 1959-01-23
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Granted: 1963-07-23
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Expires: 1979-01-23
Abstract
No abstract record available.
Inventors
- 👤 Henry O Dixon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:21
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/10; E21B33/13; E21B33/134; C; C04; C04B; C04B28/00; C04B28/02; C04B28/04; C04B2111/00; C04B2111/00474; C04B2111/00724; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24149; Y10T428/249921; Y10T428/249953; Y10T428/249967; Y10T428/249968
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
THE METHOD FOR FORMING A RIGID UNIT OF CELLULAR CEMENT WHICH COMPRISES PROVIDING A CONFINED FROM, FORMING AND A SLURRY CONSISTING ESSENTIALLY OF BETWEEN ABOUT 4 AND ABOUT 25 VOLUMES OF HYDRATABLE CLAY, BETWEEN ABOUT 10 AND ABOUT 20 VOLUMES OF SHALE AND BETWEEN ABOUT 100 AND ABOUT 252 VOLUMES OF WATER PER 100 VOLUMES OFF PORTLAND CEMENT, INTRODUCING THE SLURRY TO SAID FORM IN AN AMOUNT SUFFICIENT TO FILL ONLY A PORTION OF THE FORM INTRODUCING AIR ONLY INTO SAID FORM IN SUFFICIENT QUANTITY TO AGITATE SAID SLURRY AND EXPAND SAID SLURRY TO FILL SAID FORM, AGITATING SAID SLURRY FOR A PERIOD BETWEEN ABOUT 1 AND ABOUT 5 HOURS AND THEREAFETR ALLOWING THE AGITATED MIX TO SET UNTIL HARD, SAID SET MIXTURE FILLING SAID FORM.
Claim 2
Independent Claim
126 words
THE METHOD FOR FORMING A RIGID UNIT OF CELLULAR CEMENT WHICH COMPRISES PROVIDING A CONFINED FROM, FORMING AND A SLURRY CONSISTING ESSENTIALLY OF BETWEEN ABOUT 4 AND ABOUT 25 VOLUMES OF HYDRATABLE CLAY, BETWEEN ABOUT 10 AND ABOUT 20 VOLUMES OF SHALE AND BETWEEN ABOUT 100 AND ABOUT 252 VOLUMES OF WATER PER 100 VOLUMES OFF PORTLAND CEMENT, INTRODUCING THE SLURRY TO SAID FORM IN AN AMOUNT SUFFICIENT TO FILL ONLY A PORTION OF THE FORM INTRODUCING AIR ONLY INTO SAID FORM IN SUFFICIENT QUANTITY TO AGITATE SAID SLURRY AND EXPAND SAID SLURRY TO FILL SAID FORM, AGITATING SAID SLURRY FOR A PERIOD BETWEEN ABOUT 1 AND ABOUT 5 HOURS AND THEREAFETR ALLOWING THE AGITATED MIX TO SET UNTIL HARD, SAID SET MIXTURE FILLING SAID FORM.
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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) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |