US3814778A
Expired / Lapsed
US
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Method for producing a composite foamed article
Assignee: Furukawa Electric Co Ltd
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Filing: 1971-08-26
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Granted: 1974-06-04
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Expires: 1991-08-26
Abstract
Abstract FIG-01 A METHOD FOR PRODUCING FOAMED COMPOSITE ARTICLE WHICH COMPRISES PLACING POWDERED PLASTICS AND GRANULAR PLASTICS CONTAINING FOAMING AGENT IN A MILD, ROTATING OR VIBRATING THE MOLD TO SEPARATE SAID TWO KINDS OF PLASTICS FROM EACH OTHER, AND HEATING AND FOAMING THE SAME WHILE ROTATION, OR VIBRATION OF THE MOLD IS CONTINUED.
Inventors
- 👤 K Hosoda
- 👤 T Sugita
- 👤 M Hashimoto
- 👤 N Suzuki
- 👤 N Shiina
- 👤 Y Kadowaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:24
CPC Classifications
B; B29; B29C; B29C41/00; B29C41/02; B29C41/04; B29C44/00; B29C44/02; B29C44/04; B29C44/0423; B29C44/043; B29C70/00; B29C70/58; B29C70/66; C; C08; C08J; C08J9/00; C08J9/34; B29K; B29K2105/00; B29K2105/06; B29K2105/16; B29K2105/165; B29K2105/25; B29K2105/251; B29L; B29L2031/00; B29L2031/712; B29L2031/7178; C08J2323/00; C08J2323/02; C08J2323/04; C08J2323/06; Y; Y10; Y10S; Y10S108/00; Y10S108/901; Y10S264/00; Y10S264/05; Y10S264/18; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249987; Y10T428/249991; Y10T428/249992; Y10T428/249993
Claims Analysis
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References Cited (Backward Citations)
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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) | 1977-06-03 | 1977-12-03 | 1978-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-03 | 1981-12-03 | 1982-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-03 | 1985-12-03 | 1986-06-04 | $7700.00 | Window Closed / Lapsed |