US2478013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing and fashioning thermoplastic and thermosetting materials
Assignee: Individual
•
Filing: 1942-02-09
•
Granted: 1949-08-02
•
Expires: 1962-02-09
Abstract
No abstract record available.
Inventors
- 👤 Fred M Roddy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:51
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/46; B29C48/00; B29C48/022; B29C2045/0098; B29C48/03; B29C48/05; B29C48/06; B29C48/09; B29K; B29K2101/00; B29K2101/10; B29K2301/00; B29K2301/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1370800A
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US1997074A
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US2117179A
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US2111857A
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US2259781A
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US2107190A
Cited
US2199144A
Cited
US2285370A
Cited
US2430033A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-01 | 1953-01-31 | 1953-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-01 | 1957-01-31 | 1957-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-01 | 1961-01-31 | 1961-08-02 | $7700.00 | Window Closed / Lapsed |