Patent US2962768A successfully refreshed from Google Patents.
US2962768A
Expired / Lapsed
US
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Method of producing solid void-free articles of thermoplastic resins
Assignee: Phillips Petroleum Co
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Filing: 1957-07-15
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Granted: 1960-12-06
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Expires: 1977-07-15
Abstract
No abstract record available.
Inventors
- 👤 Jr John N Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:51
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/78; B29C48/80; B29C48/83; B29C48/834; B29C48/03; B29C48/36; B29C48/475
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
A METHOD FOR PRODUCING A SOLID VOID-FREE ARTICLES OF THERMOPLASTIC MATERIAL WHICH COMPRISES INTRODUCING
Claim 2
Independent Claim
14 words
A METHOD FOR PRODUCING A SOLID VOID-FREE ARTICLES OF THERMOPLASTIC MATERIAL WHICH COMPRISES INTRODUCING
References Cited (Backward Citations)
CA528469A
Cited
US1994164A
Cited
US2371709A
Cited
US2689376A
Cited
US2697854A
Cited
US2716778A
Cited
US2719330A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |