US2295942A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of filaments
Assignee: EIDP Inc
•
Filing: 1940-08-02
•
Granted: 1942-09-15
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Expires: 1960-08-02
Abstract
No abstract record available.
Inventors
- 👤 Reuben T Flelds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:28
CPC Classifications
A; A01; A01K; A01K47/00; B; B29; B29C; B29C48/00; B29C48/25; B29C48/275; B29C48/277; B29C48/285; B29C48/286; B29C48/29; B29C48/78; B29C48/793; B29C48/80; B29C48/83; B29C48/832; D; D01; D01D; D01D1/00; D01D1/04; D01D1/06; B29C48/03; B29C48/05; Y; Y02; Y02P; Y02P70/00; Y02P70/10
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) | 1945-09-14 | 1946-03-16 | 1946-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-09-14 | 1950-03-16 | 1950-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-09-14 | 1954-03-16 | 1954-09-15 | $7700.00 | Window Closed / Lapsed |