Patent US2944288A successfully refreshed from Google Patents.
US2944288A
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Combination plasticizer, extruder and injection cylinder with recirculation
Assignee: OI Glass Inc
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Filing: 1957-01-28
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Granted: 1960-07-12
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Expires: 1977-01-28
Abstract
No abstract record available.
Inventors
- 👤 Orville B Sherman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:42
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/46; B29C45/47; B29C45/50; B29C45/53; B29C45/54; B29C45/541; B29C48/00; B29C48/03; B29C48/09; B29C48/25; B29C48/30; B29C48/32; B29C48/34; B29C48/36; B29C48/365; B29C48/375; B29C48/388; B29C48/395; B29C48/50; B29C48/505; B29C48/55; B29C48/63; B29C2949/00; B29C2949/30; B29C2949/3032; B29C2949/3041; B29C48/10; Y; Y10; Y10S; Y10S264/00; Y10S264/911; Y10S264/92; Y10S264/921
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB234156A
Cited
US2175054A
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US2288454A
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US2629132A
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US2680880A
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US2848739A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-12 | 1964-01-11 | 1964-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-12 | 1968-01-11 | 1968-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-12 | 1972-01-11 | 1972-07-12 | $7700.00 | Window Closed / Lapsed |