Patent US2433546A successfully refreshed from Google Patents.
US2433546A
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Method and apparatus for forming plastic radiator cores
Assignee: Individual
•
Filing: 1943-12-11
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Granted: 1947-12-30
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Expires: 1963-12-11
Abstract
No abstract record available.
Inventors
- 👤 Richard T Cornelius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:48
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C57/00; B29C57/02; B29C65/24; B29C65/26; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/50; B29C66/51; B29C66/52; B29C66/522; B29C66/5227; B29C66/80; B29C66/81; B29C66/818; B29C66/8181; B29C66/81811; B29C66/8182; B29C66/81821; B29C66/82; B29C66/824; B29C66/8242; B29C66/83; B29C66/832; B29C66/8322; B29C66/83221; F; F28; F28F; F28F9/00; F28F9/02; F28F9/04; F28F9/16; F28F9/18; F28F9/187; B29L; B29L2031/00; B29L2031/18; Y; Y10; Y10S; Y10S164/00; Y10S164/07; Y10S165/00; Y10S165/905; Y10S264/00; Y10S264/66; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1043; Y10T156/17; Y10T156/1702; Y10T156/1744; Y10T156/1751; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49373
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2214505A
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US2191631A
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US2284072A
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US2313315A
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US2369006A
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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) | 1950-12-29 | 1951-06-30 | 1951-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-29 | 1955-06-30 | 1955-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-29 | 1959-06-30 | 1959-12-30 | $7700.00 | Window Closed / Lapsed |