US2876126A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of mixing fine aggregates with asphalt
Assignee: STRABA HANDELS AG
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Filing: 1956-04-09
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Granted: 1959-03-03
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Expires: 1976-04-09
Abstract
No abstract record available.
Inventors
- 👤 Sommer Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:16
CPC Classifications
C; C10; C10C; C10C3/00; C10C3/14; C08; C08J; C08J9/00; C08J9/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A PROCESS OF PREPARING AN ASPHALTIC COMPOSITION WHICH IS FLOWABLE UNDER HEAT WHICH COMPRISES FINE AGGREGATES WITH BITUMEN COMPRISING MELTING BITUMEN AND EXPANDING THE MOLTEN BITUMEN BY INTRODUCING GAS BUBBLES THEREIN UNTIL THE VOLUME IS INCREASED TO 4 TO 10 TIMES THAT OF THE ORIGINAL BUTIMEN, THEREAFTER THROUGHLY MIXING THE EXPANDED BITUMEN WITH FINE AGGREGATES IN THE PROPORTION OF APPROXIMATELY 8 TO 15% BY WEIGHT OF BITUMEN TO THE TOTAL COMPOSITION, AND CONTINUING THE MIXING UNTIL THE GAS BUBBLES ARE SUBSTANTIALLY COMPLETELY ELIMINATED.
Claim 2
Dependent Claim
83 words
A PROCESS OF PREPARING AN ASPHALTIC COMPOSITION WHICH IS FLOWABLE UNDER HEAT WHICH COMPRISES FINE AGGREGATES WITH BITUMEN COMPRISING MELTING BITUMEN AND EXPANDING THE MOLTEN BITUMEN BY INTRODUCING GAS BUBBLES THEREIN UNTIL THE VOLUME IS INCREASED TO 4 TO 10 TIMES THAT OF THE ORIGINAL BUTIMEN, THEREAFTER THROUGHLY MIXING THE EXPANDED BITUMEN WITH FINE AGGREGATES IN THE PROPORTION OF APPROXIMATELY 8 TO 15% BY WEIGHT OF BITUMEN TO THE TOTAL COMPOSITION, AND CONTINUING THE MIXING UNTIL THE GAS BUBBLES ARE SUBSTANTIALLY COMPLETELY ELIMINATED.
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) | 1962-03-02 | 1962-09-01 | 1963-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-02 | 1966-09-01 | 1967-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-02 | 1970-09-01 | 1971-03-03 | $7700.00 | Window Closed / Lapsed |