US2614939A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weather-resistant concrete
Assignee: Texaco Inc
•
Filing: 1949-04-13
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Granted: 1952-10-21
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Expires: 1969-04-13
Abstract
No abstract record available.
Inventors
- 👤 Jr Patrick J Keating
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:56
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/02; C04B28/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A CONCRETE OF HIGH COMPRESSIVE STRENGTH CONTAINING ABOUT 3-6% BY VOLUME OF ENTRAINED AIR AND HAVING A HIGH RESISTENCE TO FREEZING AND THAWING PREPARED FROM A WET MIX OF PORTLAND CEMENT AND AGGREGATE CONTAINING AN AIR ENTRAINING EMULSION FORMED OF WATER AND SOLUBLE OIL, THE LATTER COMPRISING AS ESSENTIAL COMPONENTS A NAPHTHENE BASE DISTILLATE LUBRICATING OIL, MAHOGANY SULFONATE DERIVED FROM THE SULFONATION OF MINERAL LUBRICATING OIL, ROSIN SOAP AND SODIUM NAPHTHENATE, SAID SOLUBLE OIL BEING PRESENT IN A QUANTITY WITHIN A RANGE OF ABOUT .002-0.1% BY WEIGHT OF THE PORTLAND CEMENT OF THE MIX.
Claim 2
Dependent Claim
94 words
A CONCRETE OF HIGH COMPRESSIVE STRENGTH CONTAINING ABOUT 3-6% BY VOLUME OF ENTRAINED AIR AND HAVING A HIGH RESISTENCE TO FREEZING AND THAWING PREPARED FROM A WET MIX OF PORTLAND CEMENT AND AGGREGATE CONTAINING AN AIR ENTRAINING EMULSION FORMED OF WATER AND SOLUBLE OIL, THE LATTER COMPRISING AS ESSENTIAL COMPONENTS A NAPHTHENE BASE DISTILLATE LUBRICATING OIL, MAHOGANY SULFONATE DERIVED FROM THE SULFONATION OF MINERAL LUBRICATING OIL, ROSIN SOAP AND SODIUM NAPHTHENATE, SAID SOLUBLE OIL BEING PRESENT IN A QUANTITY WITHIN A RANGE OF ABOUT .002-0.1% BY WEIGHT OF THE PORTLAND CEMENT OF THE MIX.
References Cited (Backward Citations)
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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) | 1955-10-21 | 1956-04-21 | 1956-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-21 | 1960-04-21 | 1960-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-21 | 1964-04-21 | 1964-10-21 | $7700.00 | Window Closed / Lapsed |