US3238279A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for curing concrete products
Assignee: Individual
•
Filing: 1962-07-27
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Granted: 1966-03-01
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Expires: 1982-07-27
Abstract
No abstract record available.
Inventors
- 👤 John W Tarlton
- 👤 Johnson Terrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:28
CPC Classifications
C; C04; C04B; C04B40/00; C04B40/02; C04B40/024
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
THE METHOD OF CURING CONCRETE PRODUCTS IN A KILN THAT COMPRISES: (A) SUBJECTING A PRODUCT TO BE CURED TO AT LEAST PARTIALLY SATURATED STEAM TO PRODUCE SUBSTANTIAL HYDRATION OF THE PRODUCT; (B) SUBJECTING THE HYDRATED PRODUCT TO AN ATMOSPHERE COMPRISING A SUBSTANTIAL AMOUNT OF CARBON DIOXIDE AND HAVING A RELATIVE HUMIDITY IN EXCESS OF 35% AND A TEMPERATURE IN EXCESS OF THE PREVAILING DURING STEP A TO PRODUCE CABONATION OF THE SURFACE AREAS OF THE PRODUCT; AND (C) THEREAFTER SUBJECTING SAID PRODUCT TO AN ATMOSPHERE COMPRISING A SUBSTANTIAL AMOUNT OF CARBON DIOXIDE AND HAVING A RELATIVE HUMIDITY OF LESS THAN 35% AND A TEMPERATURE AT LEAST AS HIGH AS THAT PREVAILING DURING STEP B TO DRY SAID PRODUCT AND PRODUCE CARBONATION OF THE DEEPER AREAS OF SAID PRODUCT.
Claim 2
Independent Claim
128 words
THE METHOD OF CURING CONCRETE PRODUCTS IN A KILN THAT COMPRISES: (A) SUBJECTING A PRODUCT TO BE CURED TO AT LEAST PARTIALLY SATURATED STEAM TO PRODUCE SUBSTANTIAL HYDRATION OF THE PRODUCT; (B) SUBJECTING THE HYDRATED PRODUCT TO AN ATMOSPHERE COMPRISING A SUBSTANTIAL AMOUNT OF CARBON DIOXIDE AND HAVING A RELATIVE HUMIDITY IN EXCESS OF 35% AND A TEMPERATURE IN EXCESS OF THE PREVAILING DURING STEP A TO PRODUCE CABONATION OF THE SURFACE AREAS OF THE PRODUCT; AND (C) THEREAFTER SUBJECTING SAID PRODUCT TO AN ATMOSPHERE COMPRISING A SUBSTANTIAL AMOUNT OF CARBON DIOXIDE AND HAVING A RELATIVE HUMIDITY OF LESS THAN 35% AND A TEMPERATURE AT LEAST AS HIGH AS THAT PREVAILING DURING STEP B TO DRY SAID PRODUCT AND PRODUCE CARBONATION OF THE DEEPER AREAS OF SAID PRODUCT.
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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |