Patent US2443554A successfully refreshed from Google Patents.
US2443554A
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US
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Apparatus for molding plastics
Assignee: Individual
•
Filing: 1944-04-06
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Granted: 1948-06-15
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Expires: 1964-04-06
Abstract
No abstract record available.
Inventors
- 👤 Mattia Peter De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:29
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/46; B29C45/53; Y; Y10; Y10S; Y10S425/00; Y10S425/224; Y10S425/225
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2156396A
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US2137764A
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US2202140A
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US2268026A
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GB501277A
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US2207426A
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US2252107A
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US2332679A
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US2349176A
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US2359840A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-15 | 1951-12-15 | 1952-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-15 | 1955-12-15 | 1956-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-15 | 1959-12-15 | 1960-06-15 | $7700.00 | Window Closed / Lapsed |