US3231645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making iridescent plastic sheets
Assignee: Mearl Corp
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Filing: 1962-05-21
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Granted: 1966-01-25
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Expires: 1982-05-21
Abstract
No abstract record available.
Inventors
- 👤 Rene A Bolomey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:44
CPC Classifications
B; B44; B44F; B44F1/00; B44F1/08; B44F1/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
A METHOD OF PREPARING AN IRIDESCENT CAST PLASTIC ARTICLE EXHIBITING COLOR INTEGRAL WITH SAID PLASTIC ARTICLE, COMPRISING INDEPENDENTLY DISTRIBUTING A PLURALITY OF SUSPENSIONS OF NACRE-PRODUCING PLATELETS IN LIGHT TRANSMITTING PLASTIC VEHICLES WITHIN A ROTATING CASTING MEMBER BY DISPERSING SAID SUSPENSIONS WHILE MOVING THE FEED SOURCE FOR EACH SUSPENSION IN A DIRECTION ALONG THE AXIS OF SAID MEMBER AT SUCH A RATE IN RELATION TO THE GEL TIME OF THE PLASTIC MATERIAL AS TO YIELD A PRODUCT IN WHICH SUBSTANTIALY PARALLEL STRIATIONS CORRESPONDING TO THE SEVERAL DEPOSITS OF THE RESPECTIVE SUSPENSIONS OF PLATELETS ARE VISIBLE, SAID PLATELETS HAVING SMOOTH SURFACES AND UNIFORM THICKNESSES SUCH THAT COLORS ARE PRODUCED BY OPTICAL INTEREFERENCE PHENOMENA ON REFLECTION AND TRANSMISSION OF LIGHT BY SAID PLATELETS, CURING THE LIGHT TRANSMITTING PLASTIC, REMOVING THE CASTA PLASTIC ARTICLE THUS FORMED FROM SAID ROTATING CASTING MEMBER AND SLICING THE ARTICLE LENGTHWISE THEREOF TO PRODUCE AN IRIDESCENT CAST PLASTIC ARTICLE EXHIBITING COLOR INTEGRAL THEREWITH.
Claim 2
Independent Claim
154 words
A METHOD OF PREPARING AN IRIDESCENT CAST PLASTIC ARTICLE EXHIBITING COLOR INTEGRAL WITH SAID PLASTIC ARTICLE, COMPRISING INDEPENDENTLY DISTRIBUTING A PLURALITY OF SUSPENSIONS OF NACRE-PRODUCING PLATELETS IN LIGHT TRANSMITTING PLASTIC VEHICLES WITHIN A ROTATING CASTING MEMBER BY DISPERSING SAID SUSPENSIONS WHILE MOVING THE FEED SOURCE FOR EACH SUSPENSION IN A DIRECTION ALONG THE AXIS OF SAID MEMBER AT SUCH A RATE IN RELATION TO THE GEL TIME OF THE PLASTIC MATERIAL AS TO YIELD A PRODUCT IN WHICH SUBSTANTIALY PARALLEL STRIATIONS CORRESPONDING TO THE SEVERAL DEPOSITS OF THE RESPECTIVE SUSPENSIONS OF PLATELETS ARE VISIBLE, SAID PLATELETS HAVING SMOOTH SURFACES AND UNIFORM THICKNESSES SUCH THAT COLORS ARE PRODUCED BY OPTICAL INTEREFERENCE PHENOMENA ON REFLECTION AND TRANSMISSION OF LIGHT BY SAID PLATELETS, CURING THE LIGHT TRANSMITTING PLASTIC, REMOVING THE CASTA PLASTIC ARTICLE THUS FORMED FROM SAID ROTATING CASTING MEMBER AND SLICING THE ARTICLE LENGTHWISE THEREOF TO PRODUCE AN IRIDESCENT CAST PLASTIC ARTICLE EXHIBITING COLOR INTEGRAL THEREWITH.
References Cited (Backward Citations)
US3123485A
Cited
US2265226A
Cited
US2856635A
Cited
US3010158A
Cited
US3071482A
Cited
US3050785A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |