Patent US2748012A successfully refreshed from Google Patents.
US2748012A
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Sealing composition for joints in concrete structures
Assignee: West Bank Oil Terminal Co Inc
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Filing: 1952-12-27
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Granted: 1956-05-29
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Expires: 1972-12-27
Abstract
No abstract record available.
Inventors
- 👤 Francis T Helm
- 👤 Thomas D Just
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:24
CPC Classifications
C; C08; C08L; C08L95/00; C08L95/005
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
150 words
A JOINT-SEALING FILLER COMPOSITION FOR USE IN SEALING JOINT IN CONCRETE STRUCTURES AND THE LIKE COMPRISING A WATER-IN-OIL BITUMINOUS EMULSION WHICH ESSENTIALLY CONSISTS OF A LIQIFIED BITUMEN, A WATER INSOLUBLE FATTY ACID SOAP IN COLLOIDAL STATE DERIVED AS THE REACTION PRODUCT OF AN AQUEOUS SOLUTION OF A FATTY ACID SOAP MIXED WITH A SALT OF A HEAVY METAL CAPABLE OF REACTING WITH THE SOAP TO RENDER IT WATER-INSOLUBLE IN THE PRESENCE OF SAID LIQUIFIED BITUMEN AND AN AMINE OF THE GROUP CONSISTING OF ALKYL AND ALKYLENE AMINES CONTAININNG FROM 5 TO 10 CARBON ATOMS AND HAS INTIMATELY ADMIXED THEREWITH A PETROLEUM WAX AND A WATER-INSOLUBLE RESILIENT, FINELY COMMINUTED AND INHERENTLY COMPRESSIBLE AGGREGATE, SAID BITUMINOUS EMULSION, PETROLEUM WAX AND AGGREGATE BEING RESPECTIVELY PRESENT IN THE COMPOSITION IN THE PROPORTIONS OF 55 TO 83 PERCENT, 25 TO 10 PERCENT AND 20 TO 7 PERCENT OF THE TOTAL WEIGHT OF THE FINAL COMPOSITION.
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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) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |