Patent US3190178A successfully refreshed from Google Patents.
US3190178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reflex-reflecting sheeting
Assignee: 3M Co
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Filing: 1961-06-29
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Granted: 1965-06-22
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Expires: 1981-06-29
Abstract
No abstract record available.
Inventors
- 👤 Eugene L Mckenzie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:41
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 |