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US3587415A Expired / Lapsed US ⏱️ 0.0 years remaining

Roadway surface marking,and marked road

Assignee: Individual
•
Filing: 1968-09-04
•
Granted: 1971-06-28
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Expires: 1988-09-04
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Abstract

Abstract A MARKED ROAD HAVING A ROADWAY SURFACE FOR VEHICLES AND ONE OR MORE STRIPS OF MARKING TAPE JOINED TO THE UPPER FACE OF SAID SURFACE. SAID MARKING TAPE CONSISTS, IN ITS PARTS ADJACENT TO ITS UPPER FACE, OF A COMPOSITION ENSURING OPTIMUM DAYLIGHT VISIBILITY AND TRAFFIC ENDURANCE, FORMING THE GREATLY PREVAILING PART OF THE MARKED SURFACE AREA. A PLURALITY OF SPACEDLY LOCATED ELEMENTS IS EVENLY ARRANGED ON AND PARTLY EMBEDDED IN A BASE STRIP OF SAID COMPOSITION, AND CONSISTING OF A COMPOSITION INCLUDING A SUBSTANTIAL AMOUNT AND PREFERABLY OVER 20 PERCENT AND AS HIGH OR EVEN HIGHER THAN 80 PERCENT BY WEIGHT OF TRANSPARENT GLASS MICROSPHEROIDS ENSURING HIGH LIGHT REFLECTION EFFICIENCY TO SAID ELEMENTS WHEN VIEWED AT MIGHT.

Inventors

  • 👤 Ludwig Eigenmann

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 21:50
CPC Classifications
E; E01; E01F; E01F9/00; E01F9/50; E01F9/576; E01F9/578

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) 1974-06-27 1974-12-27 1975-06-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-06-27 1978-12-27 1979-06-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-06-27 1982-12-27 1983-06-28 $7700.00 Window Closed / Lapsed

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