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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
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Abstract

No abstract record available.

Inventors

  • 👤 Sommer Albert

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 23:13
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)

US230151A Cited
GB189818302A Cited
US1576045A Cited
US2080690A Cited

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

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