Patent US3220878A successfully refreshed from Google Patents.
US3220878A
Expired / Lapsed
US
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Wear- and stain-resistant coated articles
Assignee: Union Carbide Corp
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Filing: 1962-10-08
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Granted: 1965-11-30
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Expires: 1982-10-08
Abstract
No abstract record available.
Inventors
- 👤 Arthur N Pines
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:40
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C03; C03C; C03C17/00; C03C17/28; C03C17/30; C04B41/45; C04B41/46; C04B41/49; C04B41/4905; C04B41/4988; C04B41/80; C04B41/81; C04B41/82; C04B41/84; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31652; Y10T428/31663
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A COATED ARTICLE COMPRISING A BASE MEMBER HAVING AS THE SURFACE THEREOF A SUBSTANCE SELECTED FROM THE CLASS CONSISTING OF CERAMIC SUBSTANCES AND CEMENTITIOUS SUBSTANCES AND A COATING THEREON OF A RESINOUS MATERIAL COMPRISING THE REACTION PRODUCT OF THE MIXTURE COMPRISING A DIGLYCIDYL ETHER OF BISPHENOL A FREE OF HYDROXYL GROUPS, GAMMA-AMINOPROPYLTRIETHOXYSILANE AND PHENYLTRIETHOXYSILANE.
Claim 2
Dependent Claim
54 words
A COATED ARTICLE COMPRISING A BASE MEMBER HAVING AS THE SURFACE THEREOF A SUBSTANCE SELECTED FROM THE CLASS CONSISTING OF CERAMIC SUBSTANCES AND CEMENTITIOUS SUBSTANCES AND A COATING THEREON OF A RESINOUS MATERIAL COMPRISING THE REACTION PRODUCT OF THE MIXTURE COMPRISING A DIGLYCIDYL ETHER OF BISPHENOL A FREE OF HYDROXYL GROUPS, GAMMA-AMINOPROPYLTRIETHOXYSILANE AND PHENYLTRIETHOXYSILANE.
References Cited (Backward Citations)
US2819245A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |