Patent US2528528A successfully refreshed from Google Patents.
US2528528A
Expired / Lapsed
US
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Method of and apparatus for forming plastic
Assignee: Individual
•
Filing: 1945-06-15
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Granted: 1950-11-07
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Expires: 1965-06-15
Abstract
No abstract record available.
Inventors
- 👤 Lyon George Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:54
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/03; B29C48/131; B29C48/07; B29C48/08; B29C48/09; B29C48/10; B29C53/00; B29C53/32; Y; Y10; Y10S; Y10S264/00; Y10S264/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1327721A
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US1674574A
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US1831779A
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US1918127A
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US2075735A
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US2067025A
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US2265436A
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US2358535A
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US2317687A
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US2371074A
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US2375357A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-06 | 1954-05-08 | 1954-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-06 | 1958-05-08 | 1958-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-06 | 1962-05-08 | 1962-11-07 | $7700.00 | Window Closed / Lapsed |