US2508495A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for extruding plastic materials
Assignee: RAYMOND WAMPACH
•
Filing: 1948-06-17
•
Granted: 1950-05-23
•
Expires: 1968-06-17
Abstract
No abstract record available.
Inventors
- 👤 Consalvo Gabriel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:07
CPC Classifications
B; B30; B30B; B30B11/00; B30B11/22; B30B11/24; B30B11/243; B29; B29B; B29B7/00; B29B7/30; B29B7/34; B29B7/38; B29B7/46; B29B7/48; B29B7/488; B29B7/489; B29C; B29C48/00; B29C48/25; B29C48/36; B29C48/395; B29C48/40; B29C48/405; B29C48/41; B29C48/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1677119A
Cited
US2119162A
Cited
FR863207A
Cited
US2407503A
Cited
US2360984A
Cited
US2411971A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-22 | 1953-11-21 | 1954-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-22 | 1957-11-21 | 1958-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-22 | 1961-11-21 | 1962-05-23 | $7700.00 | Window Closed / Lapsed |