US2518124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for mixing and molding plastic materials
Assignee: Individual
•
Filing: 1948-02-10
•
Granted: 1950-08-08
•
Expires: 1968-02-10
Abstract
No abstract record available.
Inventors
- 👤 Corbett Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:43
CPC Classifications
B; B30; B30B; B30B11/00; B30B11/22; B30B11/24; B28; B28B; B28B13/00; B28B13/02; B28B13/0215; B28B3/00; B28B3/20; B29; B29C; B29C48/00; B29C48/03; B29C48/25; B29C48/285
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US949505A
Cited
US1534154A
Cited
US1858956A
Cited
US1733706A
Cited
US1977515A
Cited
US2434690A
Cited
US2402805A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-07 | 1954-02-06 | 1954-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-07 | 1958-02-06 | 1958-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-07 | 1962-02-06 | 1962-08-08 | $7700.00 | Window Closed / Lapsed |