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US3417169A
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Method and apparatus for automatically molding foam plastic articles
Assignee: Crown Machine and Tool Co Inc
•
Filing: 1965-11-26
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Granted: 1968-12-17
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Expires: 1985-11-26
Abstract
No abstract record available.
Inventors
- 👤 James M Harrison
- 👤 Daniel R Gaul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:16
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/34; B29C44/36; B29C44/38; B29C44/44; B29C44/445; B29C44/3461; B29C44/3415; B29C44/3426; B29L; B29L2031/00; B29L2031/712; B29L2031/7132; Y; Y10; Y10S; Y10S264/00; Y10S264/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2301136A
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US704586A
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US1833028A
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US2997205A
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US3129464A
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US3091368A
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US3224037A
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US3231933A
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US3309440A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |