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US3190178A Expired / Lapsed US ⏱️ 0.0 years remaining

Reflex-reflecting sheeting

Assignee: 3M Co
•
Filing: 1961-06-29
•
Granted: 1965-06-22
•
Expires: 1981-06-29
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Abstract

No abstract record available.

Inventors

  • 👤 Eugene L Mckenzie

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 12:26
CPC Classifications
B; B44; B44F; B44F1/00; B44F1/02; B44F1/04; G; G02; G02B; G02B5/00; G02B5/12; G02B5/126; G02B5/128

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 193 words
REFLEX-REFLECTING SHEETING COMPRISINNG A CONTINUOUS LAYER OF GLASS BEADS IN COMPACT REALTIONSHIP TO ONE ANOTHER, AND MEANS SEPARATING SAID LAYER OF BEADS INTO A PLURALITY OF DISCRETE ENCAPSULATED AND HERMETICALLY SEALED POCKETS HAVING NO LATERAL DIMENSION GREATER THAN THREEFOURTHS INCH, WITH THE BEADS OF EACH SAID DISCRETE POCKET OPTICALLY EXPOSED TO AN AIR INTERFACE, SAID SEPARATING MEANS BEING RELATIVELY SMALL IN TOTAL AREA AS COMPARED TO THE TOTAL AREA OF SAID POCKETS, AND SAID SEPARATING MEANS INCLUDING AN INTERSECTING GRI PATTERN OF PRESSURE-FORMED HEAT-SEALED CONNECTION BETWEEN THE STRUCTURE OF SAID REFLEX-REFLECTOR OVERLYING SAID LAYER OF BEADS AND THE STRUCTURE OF SAID REFLEX-REFLECTOR UNDERLYING SAID LAYER OF BEADS, THE STRUCTURE OVERLYING SAID BEADS COMPRISING A TRANSPARENT COVER FILM, AND THE STRUCTURE UNDERLYING SAID BEADS COMPRISING A BINDER LAYER IN WHICH SAID BEADS ARE PARTIALLY EMBEDDED AND INTERNAL LIGHT-REFLECTING MEANS UNDERLYING SAID BEADS AND IN OPTICAL CONNECTION WITH THE BACK EXTREMITIES THEREOF, THOSE BEADS OF THE SHEETING IN THE INTERSECTING GRID PATTERN OF PRESSURE-FORMED HEAT-SEALED CONNECTION BEING FLOODED OVER AND OPTICALLY OBSCURED BY BINDER LAYER MATERIAL DISPLACED FROM SAID BINDER LAYER AND HERMETICALLY SEALED TO SAD TRANSPARENT COVER FILM ACCORDING TO SAID INTERSECTING GRID PATTERN.
Claim 2
Dependent Claim 193 words
REFLEX-REFLECTING SHEETING COMPRISINNG A CONTINUOUS LAYER OF GLASS BEADS IN COMPACT REALTIONSHIP TO ONE ANOTHER, AND MEANS SEPARATING SAID LAYER OF BEADS INTO A PLURALITY OF DISCRETE ENCAPSULATED AND HERMETICALLY SEALED POCKETS HAVING NO LATERAL DIMENSION GREATER THAN THREEFOURTHS INCH, WITH THE BEADS OF EACH SAID DISCRETE POCKET OPTICALLY EXPOSED TO AN AIR INTERFACE, SAID SEPARATING MEANS BEING RELATIVELY SMALL IN TOTAL AREA AS COMPARED TO THE TOTAL AREA OF SAID POCKETS, AND SAID SEPARATING MEANS INCLUDING AN INTERSECTING GRI PATTERN OF PRESSURE-FORMED HEAT-SEALED CONNECTION BETWEEN THE STRUCTURE OF SAID REFLEX-REFLECTOR OVERLYING SAID LAYER OF BEADS AND THE STRUCTURE OF SAID REFLEX-REFLECTOR UNDERLYING SAID LAYER OF BEADS, THE STRUCTURE OVERLYING SAID BEADS COMPRISING A TRANSPARENT COVER FILM, AND THE STRUCTURE UNDERLYING SAID BEADS COMPRISING A BINDER LAYER IN WHICH SAID BEADS ARE PARTIALLY EMBEDDED AND INTERNAL LIGHT-REFLECTING MEANS UNDERLYING SAID BEADS AND IN OPTICAL CONNECTION WITH THE BACK EXTREMITIES THEREOF, THOSE BEADS OF THE SHEETING IN THE INTERSECTING GRID PATTERN OF PRESSURE-FORMED HEAT-SEALED CONNECTION BEING FLOODED OVER AND OPTICALLY OBSCURED BY BINDER LAYER MATERIAL DISPLACED FROM SAID BINDER LAYER AND HERMETICALLY SEALED TO SAD TRANSPARENT COVER FILM ACCORDING TO SAID INTERSECTING GRID PATTERN.

References Cited (Backward Citations)

US2218909A Cited
US2568126A Cited
US2592889A Cited
US2948191A Cited
US2959192A Cited
US3043196A Cited
US3005382A Cited
US3065559A Cited
US3140340A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-06-21 1968-12-21 1969-06-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-06-21 1972-12-21 1973-06-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-06-21 1976-12-21 1977-06-22 $7700.00 Window Closed / Lapsed

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