US3345239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing decorative articles of manufacture
Assignee: Wyeth Holdings LLC
•
Filing: 1965-04-05
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Granted: 1967-10-03
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Expires: 1985-04-05
Abstract
No abstract record available.
Inventors
- 👤 Rochow Theodore George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:49
CPC Classifications
B; B44; B44F; B44F1/00; B44F1/06; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24942; Y10T428/25; Y10T428/254
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
103 words
A METHOD OF PRODUCING SCHLIERIC, DIFFUSIVE, LIGHT TRANSMITTING, DECORATIVE ARTICLES OF MANUFACTURE WHICH COMPRISES (1) ADMIXING (A) PARTICLES OF A SYNTHETIC, THERMOPLASTIC, VINYL POLYMER WITH (B) PARTICLES OF AT LEAST ONE OTHER SYNTHETIC, VINYL, THERMOPLASTIC POLYMER COMPATIBLE WITH (A), SAID POLYMERS HAVING REFRACTIVE INDICES DIFFERING FROM ONE ANOTHER BY THE SECOND, THIRD OR FOURTH DECIMAL PLACE AND (2) COMPRESSION MOLDING THE RESULTANT MIXTURE UNDER CONDITIONS OF PRESSURE, TEMPERATURE AND TIME SUFFICIENT TO WELD THE POLYMER PARTICLES TO ONE ANOTHER, BUT INSUFFICIENT TO FORM A HOMOGENEOUS SYSTEM, THE REFRACTIVE IDENTITY OF AT LEAST ONE OF SAID (A) AND SAID (B) REMAINING SUBSTANTIALLY OPTICALLY DISCERNIBLE.
Claim 2
Independent Claim
103 words
A METHOD OF PRODUCING SCHLIERIC, DIFFUSIVE, LIGHT TRANSMITTING, DECORATIVE ARTICLES OF MANUFACTURE WHICH COMPRISES (1) ADMIXING (A) PARTICLES OF A SYNTHETIC, THERMOPLASTIC, VINYL POLYMER WITH (B) PARTICLES OF AT LEAST ONE OTHER SYNTHETIC, VINYL, THERMOPLASTIC POLYMER COMPATIBLE WITH (A), SAID POLYMERS HAVING REFRACTIVE INDICES DIFFERING FROM ONE ANOTHER BY THE SECOND, THIRD OR FOURTH DECIMAL PLACE AND (2) COMPRESSION MOLDING THE RESULTANT MIXTURE UNDER CONDITIONS OF PRESSURE, TEMPERATURE AND TIME SUFFICIENT TO WELD THE POLYMER PARTICLES TO ONE ANOTHER, BUT INSUFFICIENT TO FORM A HOMOGENEOUS SYSTEM, THE REFRACTIVE IDENTITY OF AT LEAST ONE OF SAID (A) AND SAID (B) REMAINING SUBSTANTIALLY OPTICALLY DISCERNIBLE.
Claim 3
Dependent Claim
83 words
A SCHIERIC, DIFFUSIVE, LIGHT-TRANSMITTING ARTICLE OF MANUFACTURE COMPOSED OF A COMPRESSION MOLDED MIXTURE OF (A) PARTICLES OF A SYNTHETIC, VINYL, THERMOPLASTIC POLYMER AND (B) PARTICLES OF AT LEAST ONE OTHER SYNTHETIC, VINYL THERMOPLASTIC POLYMER COMPATIBLE WITH (A), SAID POLYMERS HAVING REFRACTIVE INDICES DIFFERING FROM ONE ANOTHER BY THE SECOND, THIRD OR FOURTH DECIMAL PLACE, SAID (A) AND (B), IN SAID ARTICLE BEING WELDED TO ONE ANOTHER, THE REFRACTIVE IDENTITY OF AT LEAST ONE OF SAID (A) AND SAID (B) REMAINING SUBSTANTIALLY OPTICALLY DISCERNIBLE.
Claim 4
Dependent Claim
83 words
A SCHIERIC, DIFFUSIVE, LIGHT-TRANSMITTING ARTICLE OF MANUFACTURE COMPOSED OF A COMPRESSION MOLDED MIXTURE OF (A) PARTICLES OF A SYNTHETIC, VINYL, THERMOPLASTIC POLYMER AND (B) PARTICLES OF AT LEAST ONE OTHER SYNTHETIC, VINYL THERMOPLASTIC POLYMER COMPATIBLE WITH (A), SAID POLYMERS HAVING REFRACTIVE INDICES DIFFERING FROM ONE ANOTHER BY THE SECOND, THIRD OR FOURTH DECIMAL PLACE, SAID (A) AND (B), IN SAID ARTICLE BEING WELDED TO ONE ANOTHER, THE REFRACTIVE IDENTITY OF AT LEAST ONE OF SAID (A) AND SAID (B) REMAINING SUBSTANTIALLY OPTICALLY DISCERNIBLE.
References Cited (Backward Citations)
US1465545A
Cited
US2154438A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |