US2763374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for screening plastic materials
Assignee: REED PRENTICE CORP
•
Filing: 1952-07-02
•
Granted: 1956-09-18
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Expires: 1972-07-02
Abstract
No abstract record available.
Inventors
- 👤 Corbett Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:28
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/20; B29C45/24; B29C48/00; B29C48/03; B29C48/25; B29C48/36; B29C48/50; B29C48/69; B29C48/691; B29C48/6914
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2512394A
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US2465404A
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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) | 1959-09-18 | 1960-03-19 | 1960-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-18 | 1964-03-19 | 1964-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-18 | 1968-03-19 | 1968-09-18 | $7700.00 | Window Closed / Lapsed |