Patent US2354744A successfully refreshed from Google Patents.
US2354744A
Expired / Lapsed
US
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Method of producing shaped resinous artificial materials
Assignee: Individual
•
Filing: 1940-09-28
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Granted: 1944-08-01
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Expires: 1960-09-28
Abstract
No abstract record available.
Inventors
- 👤 Dreyfus Camille
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:22
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/08; D01D5/088; D01F; D01F6/00; D01F6/02; D01F6/16; B; B29; B29C; B29C48/00; B29C48/001; B29C48/0018; B29C48/03; B29C48/05; B29C48/07; B29C48/08; Y; Y10; Y10S; Y10S8/00; Y10S8/21
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-08-01 | 1948-01-31 | 1948-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-08-01 | 1952-01-31 | 1952-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-08-01 | 1956-01-31 | 1956-08-01 | $7700.00 | Window Closed / Lapsed |