US2884334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cement and method of stabilizing soil
Assignee: EIDP Inc
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Filing: 1955-05-04
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Granted: 1959-04-28
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Expires: 1975-05-04
Abstract
No abstract record available.
Inventors
- 👤 Geoffrey W Meadows
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:53
CPC Classifications
C; C04; C04B; C04B24/00; C04B24/24; C04B24/38; C04B24/383; C04B28/00; C04B28/02; C04B28/04; C09; C09K; C09K17/00; C09K17/40; C09K17/42; C09K17/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A CEMENTITIOUS PRODUCT IN THE FORM OF A SUBSTAN TIALLY DRY MIXTURE CONSISTING ESSENTIALLY OF FROM 64.5 TO 99.9% BY WEIGHT OF PORTLAND CEMENT, FROM O.1% TO 5% BY WEIGHT OF A CELLULOSE XANTHATE BASED ON THE WEIGHT OF SAID PORTLAND CEMENT AND FROM 0.1 TO 10 PARTS BY WEIGHT OF CALCIUM OXIDE PER PART BY WEIGHT OF SAID CELLULOSE XANTHATE
Claim 2
Dependent Claim
61 words
A CEMENTITIOUS PRODUCT IN THE FORM OF A SUBSTAN TIALLY DRY MIXTURE CONSISTING ESSENTIALLY OF FROM 64.5 TO 99.9% BY WEIGHT OF PORTLAND CEMENT, FROM O.1% TO 5% BY WEIGHT OF A CELLULOSE XANTHATE BASED ON THE WEIGHT OF SAID PORTLAND CEMENT AND FROM 0.1 TO 10 PARTS BY WEIGHT OF CALCIUM OXIDE PER PART BY WEIGHT OF SAID CELLULOSE XANTHATE
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-27 | 1962-10-27 | 1963-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-27 | 1966-10-27 | 1967-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-27 | 1970-10-27 | 1971-04-28 | $7700.00 | Window Closed / Lapsed |