US2403476A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extrusion apparatus
Assignee: EIDP Inc
•
Filing: 1944-08-08
•
Granted: 1946-07-09
•
Expires: 1964-08-08
Abstract
No abstract record available.
Inventors
- 👤 Kenneth L Berry
- 👤 Joseph R Downing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:50
CPC Classifications
D; D01; D01D; D01D4/00; D01D4/02; D01D4/022; B; B29; B29C; B29C48/00; B29C48/03; B29C48/05; B29C48/25; B29C48/30; B29C48/32; B29C48/345; B29C48/06; Y; Y10; Y10S; Y10S100/00; Y10S100/903; Y10S100/906; Y10S128/00; Y10S128/14; Y10S16/00; Y10S16/27; Y10S425/00; Y10S425/055; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31692
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) | 1949-07-08 | 1950-01-07 | 1950-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-07-08 | 1954-01-07 | 1954-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-07-08 | 1958-01-07 | 1958-07-09 | $7700.00 | Window Closed / Lapsed |