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US2909440A Expired / Lapsed US ⏱️ 0.0 years remaining

Plastic paving composition

Assignee: ALEXANDER BREST
•
Filing: 1957-09-19
•
Granted: 1959-10-20
•
Expires: 1977-09-19
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Abstract

No abstract record available.

Inventors

  • 👤 Charles E Cobb

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 07:33
CPC Classifications
C; C08; C08L; C08L95/00; C08L95/005

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 57 words
A PLASTIC COMPOSITION FOR USE AS A PAVING MATERIAL WHICH CONSISTS ESSENTIALLY OF THE REACTION PRODUCT OF A MIXTURE OF THE FOLLOWING INGERDIENTS IN THE SPECIFIED PERCENTAGES BY WEIGHT, COARSE AND FINE AGGREGATES 72% TO 87%, BITUMEN 4% TO 8.5%, AQUEOUS MAGNESIUM CHLORIDE SOLUTION, 18* TO 38* BAUME, 7% TO 15%, AND CALCINED MAGNESTIE 2% TO 15%.
Claim 2
Dependent Claim 57 words
A PLASTIC COMPOSITION FOR USE AS A PAVING MATERIAL WHICH CONSISTS ESSENTIALLY OF THE REACTION PRODUCT OF A MIXTURE OF THE FOLLOWING INGERDIENTS IN THE SPECIFIED PERCENTAGES BY WEIGHT, COARSE AND FINE AGGREGATES 72% TO 87%, BITUMEN 4% TO 8.5%, AQUEOUS MAGNESIUM CHLORIDE SOLUTION, 18* TO 38* BAUME, 7% TO 15%, AND CALCINED MAGNESTIE 2% TO 15%.

References Cited (Backward Citations)

US480591A Cited
GB190304907A Cited
US1379053A Cited
GB430979A Cited
US2152798A Cited
GB496952A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-10-19 1963-04-20 1963-10-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-10-19 1967-04-20 1967-10-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-10-19 1971-04-20 1971-10-20 $7700.00 Window Closed / Lapsed

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