Patent US4005402A successfully refreshed from Google Patents.
Patent US2349254A successfully refreshed from Google Patents.
US2349254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extrusion device
Assignee: EIDP Inc
•
Filing: 1941-10-08
•
Granted: 1944-05-23
•
Expires: 1961-10-08
Abstract
No abstract record available.
Inventors
- 👤 Myrle H English
- 👤 Earl R Jones
- 👤 Roland R Nydegger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:24
CPC Classifications
D; D01; D01D; D01D1/00; D01D1/06; B; B29; B29C; B29C48/00; B29C48/15; B29C48/25; B29C48/36; B29C48/395; B29C48/78; B29C48/80; B29C48/83; B29C48/832; B29C48/84; B29C48/845; B29C48/86; B29C48/865; B29C48/03; B29C48/05
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1947-05-23 | 1947-11-22 | 1948-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-05-23 | 1951-11-22 | 1952-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-05-23 | 1955-11-22 | 1956-05-23 | $7700.00 | Window Closed / Lapsed |