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Patent US3384693A successfully refreshed from Google Patents.
US3384693A
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Method for mixing plastic compositions
Assignee: OI Glass Inc
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Filing: 1964-08-24
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Granted: 1968-05-21
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Expires: 1984-08-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Sheldon F Roe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:36
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/36; B29C48/50; B29C48/505; B29C48/53; B29C48/30; B29C48/32; B29C48/362; B29C48/92; B29C2948/00; B29C2948/92; B29C2948/92504; B29C2948/92514; B29C2948/9258; B29C2948/9259; B29C2948/926; B29C2948/92742; B29C2948/92752; B29C2948/92819; B29C2948/92857; B29C2948/92876; B29C2948/92885; B29C2948/92952; B29C2948/92961; B29C48/03; B29C48/09; B29C48/475
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) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |