Patent US3222204A successfully refreshed from Google Patents.
US3222204A
Expired / Lapsed
US
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Process of making beaded coatings and films from glass beads treated with oleophobic sizing agent
Assignee: 3M Co
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Filing: 1960-04-20
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Granted: 1965-12-07
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Expires: 1980-04-20
Abstract
No abstract record available.
Inventors
- 👤 Weber Victor
- 👤 John D Tomlinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:35
CPC Classifications
G; G02; G02B; G02B5/00; G02B5/12; G02B5/126; G02B5/128; B; B29; B29C; B29C70/00; B29C70/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A PROCESS OF MAKING BEADED COATINGS AND FILMS BY FORMING A LIQUID ORGANIC BINDER COATING LAYER ON A BASE SURFACE, PARTIALLY EMBEDDING A LAYER OF GLASS BEADS IN THE COATING, AND SOLIDIFYING THE BINDER TO A SOLID BEAD-RETAINING STATE, CHARACTERIZED BY USING OLEOPHOBIC FLUOROCARBONSURFACED GLASS BEADS HAVING AN IMPERCEPTIBLY THIN SURFACE COATING OF AN OLEOPHOBIC FLUOROCARBON SIZING AGENT, AND FLOATING THE BEADS IN A SUFFICIENTLY THICK AND FLUID BINDER LAYER SO THAT THEY ARE APPROXIMATELY HALF-SUBMERGED PRIOR TO AND DURING SOLIDIFICATION; AND SURFACE COATING BEING OF A NATURE WHICH PERMITS ADHERENT BONDING OF THE BEADS TO THE DRIED BINDER.
Claim 2
Dependent Claim
99 words
A PROCESS OF MAKING BEADED COATINGS AND FILMS BY FORMING A LIQUID ORGANIC BINDER COATING LAYER ON A BASE SURFACE, PARTIALLY EMBEDDING A LAYER OF GLASS BEADS IN THE COATING, AND SOLIDIFYING THE BINDER TO A SOLID BEAD-RETAINING STATE, CHARACTERIZED BY USING OLEOPHOBIC FLUOROCARBONSURFACED GLASS BEADS HAVING AN IMPERCEPTIBLY THIN SURFACE COATING OF AN OLEOPHOBIC FLUOROCARBON SIZING AGENT, AND FLOATING THE BEADS IN A SUFFICIENTLY THICK AND FLUID BINDER LAYER SO THAT THEY ARE APPROXIMATELY HALF-SUBMERGED PRIOR TO AND DURING SOLIDIFICATION; AND SURFACE COATING BEING OF A NATURE WHICH PERMITS ADHERENT BONDING OF THE BEADS TO THE DRIED BINDER.
References Cited (Backward Citations)
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Cited
US2143946A
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US2354048A
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US2354049A
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US2567233A
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US2662835A
Cited
US3013893A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |