Patent US2428174A successfully refreshed from Google Patents.
US2428174A
Expired / Lapsed
US
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Method of casting and trimming plastic castings
Assignee: Individual
•
Filing: 1944-12-16
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Granted: 1947-09-30
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Expires: 1964-12-16
Abstract
No abstract record available.
Inventors
- 👤 Louis H Morin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:47
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/38; B29C45/382; B29C37/00; B29C37/02; B29C45/40; Y; Y10; Y10S; Y10S425/00; Y10S425/806
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-09-29 | 1951-03-31 | 1951-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-29 | 1955-03-31 | 1955-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-29 | 1959-03-31 | 1959-09-30 | $7700.00 | Window Closed / Lapsed |