US3222439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of casting polymerizable resins containing lamellar particles
Assignee: Mearl Corp
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Filing: 1963-02-20
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Granted: 1965-12-07
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Expires: 1983-02-20
Abstract
No abstract record available.
Inventors
- 👤 Rene A Bolomey
- 👤 Charles E Marks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:14
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/58; B29C70/62; B29C39/00; B29C39/003; B29C39/006; B29C67/00; B29C67/0003; B29C70/585; B44; B44F; B44F9/00; B44F9/08; B29K; B29K2067/00; B29K2067/06; B29L; B29L2019/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A METHOD FOR FROMING A PLASTIC ARTICLE INCORPORATING LIGHT-REFLECTING LAMELLAE DISPERSED THROUGHOUT THE THICKNESS THEREOF AND ORIENTE SUBSTANTIALLY UNIFORMLY IN A GIVE DIRECTION PARALLEL TO A PAIR OF OPPOSITE SURFACES OF SAID ARTICLE, WHICH COMPRISES CASTING A SUBSTANTIALLY HOMOGENEOUS DISPERSION OF SAID LAMELLAE IN A POLYMERIZABLE RESINOUS MATERIAL IN LAYER FORM AND, DURING GELLING OF THE LAYER, SUBJECTING THE OPPOSITE FACES THEREOF TO A DIFFERENTIAL, SUBSTANTIALLY CONTINUOUS UNIDIRECTIONAL FORCE ACTING PARALLEL TO SAID FACES, SAID FORCE PRODUCING DIFFERENTIAL ORIENTING FORCES EXTENDING UNIDIRECTIONALLY AND PARALLEL TO ONE ANOTHER ACROSS SUBSTANTIALLY THE ENTIRE THICKNESS OF SAID LAYER TO EFFECT THE SUBSTANTIALLY UNIFORM ORIENTATION OF SAID LIGHT-REFLECTING LAMELLAE.
Claim 2
Independent Claim
105 words
A METHOD FOR FROMING A PLASTIC ARTICLE INCORPORATING LIGHT-REFLECTING LAMELLAE DISPERSED THROUGHOUT THE THICKNESS THEREOF AND ORIENTE SUBSTANTIALLY UNIFORMLY IN A GIVE DIRECTION PARALLEL TO A PAIR OF OPPOSITE SURFACES OF SAID ARTICLE, WHICH COMPRISES CASTING A SUBSTANTIALLY HOMOGENEOUS DISPERSION OF SAID LAMELLAE IN A POLYMERIZABLE RESINOUS MATERIAL IN LAYER FORM AND, DURING GELLING OF THE LAYER, SUBJECTING THE OPPOSITE FACES THEREOF TO A DIFFERENTIAL, SUBSTANTIALLY CONTINUOUS UNIDIRECTIONAL FORCE ACTING PARALLEL TO SAID FACES, SAID FORCE PRODUCING DIFFERENTIAL ORIENTING FORCES EXTENDING UNIDIRECTIONALLY AND PARALLEL TO ONE ANOTHER ACROSS SUBSTANTIALLY THE ENTIRE THICKNESS OF SAID LAYER TO EFFECT THE SUBSTANTIALLY UNIFORM ORIENTATION OF SAID LIGHT-REFLECTING LAMELLAE.
References Cited (Backward Citations)
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Cited
US2337775A
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US2380363A
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US2372177A
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US3012923A
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US3041670A
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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 |