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US3782988A Expired / Lapsed US ⏱️ 0.0 years remaining

Asphaltic coatings

Assignee: Bank of New York
•
Filing: 1969-11-06
•
Granted: 1974-01-01
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Expires: 1989-11-06
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Abstract

Abstract AN ASPHALT COATING COMPOSITION COMPRISING 50 T0 75% BY WEIGHT OF A CATALYTICALLY AIR-BLOWN ASPHALT WITH A PENETRATION OF 40 T9 60 MM./10 AND A SOFTENING POINT OF 135 TO 170*F., 15 TO 50% BY WEIGHT OF AN ASPHALT SOLVENT, 5 TO 20% BY WEIGHT OF SHORT ASBESTOS FIBRE AND 5 TO 15% BY WEIGHT OF EXPANDED VERMICULITE.

Inventors

  • 👤 S Alexander
  • 👤 A Hoiberg

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 05:56
CPC Classifications
C; C09; C09D; C09D195/00

Claims Analysis

Total Claims: 0
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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) 1976-12-31 1977-07-02 1978-01-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-12-31 1981-07-02 1982-01-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-12-31 1985-07-02 1986-01-01 $7700.00 Window Closed / Lapsed

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