US2479804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and means for extruding plastic material
Assignee: Plax Corp
•
Filing: 1947-05-17
•
Granted: 1949-08-23
•
Expires: 1967-05-17
Abstract
No abstract record available.
Inventors
- 👤 Bailey James
- 👤 Robert W Canfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:49
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/30; B29C48/305; B29C48/31; B29C48/313; B29C48/03; B29C48/07; B29C48/08; B29C48/255; B29C48/2556
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US410822A
Cited
US2168288A
Cited
US1976539A
Cited
US2031387A
Cited
US2121966A
Cited
US2090404A
Cited
US2318469A
Cited
US2365375A
Cited
US2393452A
Cited
US2371709A
Cited
US2364435A
Cited
US2387718A
Cited
US2369583A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-22 | 1953-02-21 | 1953-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-22 | 1957-02-21 | 1957-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-22 | 1961-02-21 | 1961-08-23 | $7700.00 | Window Closed / Lapsed |