US3570056A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-colored plastic building product and its manufacture
Assignee: EIDP Inc
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Filing: 1969-07-24
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Granted: 1971-03-16
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Expires: 1989-07-24
Abstract
Abstract A multi-colored cast plastic building product of uniformity and strength including a mass of polymeric material having distributed an suspended therein at least one smaller elongated continuous pattern of a different colored polymeric material in a predetermined reproducible three dimensional configuration and a manufacturing arrangement for producing the same so that the polymeric materials are substantially equally matched as the degree of polymerization at the time of being cast to give uniformity of all properties except color in the final product.
Inventors
- 👤 Nelson Lee Hall
- 👤 Donald Hillman Slocum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:43
CPC Classifications
B; B29; B29C; B29C41/00; B29C41/24; B29C41/28; B29B; B29B7/00; B29B7/30; B29B7/34; B29B7/38; B29B7/40; B29C31/00; B29C31/04; B29C31/042; B29C31/044; B29C31/045; B29C48/00; B29C48/16; B29C48/17; B29C48/175; B29C48/25; B29C48/285; B29C48/36; B29C48/395; B29C48/397; B29C48/78; B29C48/80; B29C48/802; B29C48/92; B29C48/03; B29C48/07; B29C48/08; B29K; B29K2995/00; B29K2995/0018; B29K2995/002; B29K2995/0021; B29L; B29L2031/00; B29L2031/722
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-15 | 1974-09-14 | 1975-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-15 | 1978-09-14 | 1979-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-15 | 1982-09-14 | 1983-03-16 | $7700.00 | Window Closed / Lapsed |