Patent US3396067A successfully refreshed from Google Patents.
US3396067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resinous product simulating onyx
Assignee: Mira Chem Inc
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Filing: 1964-12-03
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Granted: 1968-08-06
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Expires: 1984-12-03
Abstract
No abstract record available.
Inventors
- 👤 Kenneth A Schafer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:56
CPC Classifications
B; B44; B44F; B44F9/00; B44F9/04; C; C08; C08K; C08K3/00; C08K3/34; C08K3/36; Y; Y10; Y10T; Y10T428/00; Y10T428/25; Y10T428/258; Y10T428/259
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A MANUFACTURED PRODUCT COMPRISING: A MONOLAYERED SOLID MATRIX OF A TRANSPARENT THERMOSET COPOLYMER OF AN ETHYLENICALLY UNSATURATED POLYESTER AND A COMPATIBLE LIQUID MONOMERIC POLYMRIZABLE COMPOUND CONTAINING AN ETHYLENIC LINKAGE AND A FINELY DIVIDED TRANSPARENT INORGANIC FILLER HOMOGENEOUSLY EMBEDDED IN SAID THERMOSET COPOLYMER, THE INDICES OF REFRACTION OF SAID COPOLYMER AND SAID FILLER BEING MATCHED SO THAT THE FILLER IS INVISIBLE, SAID FILLER BEING OF A GRANDATION OF PARTICLE SIZES UP TO THE
Claim 2
Dependent Claim
72 words
A MANUFACTURED PRODUCT COMPRISING: A MONOLAYERED SOLID MATRIX OF A TRANSPARENT THERMOSET COPOLYMER OF AN ETHYLENICALLY UNSATURATED POLYESTER AND A COMPATIBLE LIQUID MONOMERIC POLYMRIZABLE COMPOUND CONTAINING AN ETHYLENIC LINKAGE AND A FINELY DIVIDED TRANSPARENT INORGANIC FILLER HOMOGENEOUSLY EMBEDDED IN SAID THERMOSET COPOLYMER, THE INDICES OF REFRACTION OF SAID COPOLYMER AND SAID FILLER BEING MATCHED SO THAT THE FILLER IS INVISIBLE, SAID FILLER BEING OF A GRANDATION OF PARTICLE SIZES UP TO THE
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-06 | 1972-02-05 | 1972-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-06 | 1976-02-05 | 1976-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-06 | 1980-02-05 | 1980-08-06 | $7700.00 | Window Closed / Lapsed |