US3541192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing plastic objects having smooth skin portions and foamed interior portions
Assignee: Mattel Inc
•
Filing: 1967-05-02
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Granted: 1970-11-17
•
Expires: 1987-05-02
Abstract
No abstract record available.
Inventors
- 👤 Wallace H Shapero
- 👤 Fleet E Nuttall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:28
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/02; B29C44/04; A; A63; A63H; A63H9/00; B29C35/00; B29C35/02; B29K; B29K2105/00; B29K2105/04; B29K2105/043; B29L; B29L2031/00; B29L2031/52; B29L2031/5209; B29L2031/5218; Y; Y10; Y10S; Y10S264/00; Y10S264/14; Y10S264/60; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249961
Claims Analysis
Total Claims: 0
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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) | 1973-11-16 | 1974-05-18 | 1974-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-16 | 1978-05-18 | 1978-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-16 | 1982-05-18 | 1982-11-17 | $7700.00 | Window Closed / Lapsed |