Patent US3414938A successfully refreshed from Google Patents.
US3414938A
Expired / Lapsed
US
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Plastic processing system
Assignee: Hoosier Crown Corp
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Filing: 1968-02-15
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Granted: 1968-12-10
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Expires: 1988-02-15
Abstract
No abstract record available.
Inventors
- 👤 Caviglia Enzo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:42
CPC Classifications
B; B29; B29C; B29C43/00; B29C43/02; B29C43/18; B29C31/00; B29C31/04; B29C31/042; B29C31/048; B29C43/32; B29C43/34; B29C2043/3433; B29C31/06; B29C48/00; B29C48/03; B29C48/06; Y; Y10; Y10S; Y10S425/00; Y10S425/20; Y10S425/809
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |