US2443289A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for shaping plastics by extrusion
Assignee: Plax Corp
•
Filing: 1944-05-04
•
Granted: 1948-06-15
•
Expires: 1964-05-04
Abstract
No abstract record available.
Inventors
- 👤 Bailey James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:30
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/94; B29C48/03; B29C48/09; Y; Y10; Y10S; Y10S425/00; Y10S425/115
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US364826A
Cited
US422432A
Cited
US449854A
Cited
US623920A
Cited
US721152A
Cited
US1370800A
Cited
US2245640A
Cited
US2233987A
Cited
US2358963A
Cited
US2307034A
Cited
US2294555A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-15 | 1951-12-15 | 1952-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-15 | 1955-12-15 | 1956-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-15 | 1959-12-15 | 1960-06-15 | $7700.00 | Window Closed / Lapsed |