Patent US2876492A successfully refreshed from Google Patents.
US2876492A
Expired / Lapsed
US
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Apparatus for molding plastic
Assignee: FRIEDER
•
Filing: 1954-03-25
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Granted: 1959-03-10
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Expires: 1974-03-25
Abstract
No abstract record available.
Inventors
- 👤 Leonard P Frieder
- 👤 Walter S Finken
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:54
CPC Classifications
B; B29; B29C; B29C33/00; B29C43/00; Y; Y10; Y10S; Y10S264/00; Y10S264/50; Y10S264/78; Y10S277/00; Y10S277/921; Y10S425/00; Y10S425/019; Y10S425/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1480719A
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US2165671A
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GB486452A
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GB508598A
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US2437003A
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US2351343A
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US2473588A
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US2575734A
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US2586148A
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US2700796A
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US2755532A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-09 | 1962-09-08 | 1963-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-09 | 1966-09-08 | 1967-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-09 | 1970-09-08 | 1971-03-10 | $7700.00 | Window Closed / Lapsed |