US2519255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Injection molding press
Assignee: IMPROVED PAPER MACHINERY Corp
•
Filing: 1946-04-17
•
Granted: 1950-08-15
•
Expires: 1966-04-17
Abstract
No abstract record available.
Inventors
- 👤 Edward R Knowles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:37
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/03; B29C45/17; B29C45/70; B29C45/706
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1922937A
Cited
GB429769A
Cited
CH194807A
Cited
US2309729A
Cited
US2269953A
Cited
US2392203A
Cited
US2358956A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-14 | 1954-02-13 | 1954-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-14 | 1958-02-13 | 1958-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-14 | 1962-02-13 | 1962-08-15 | $7700.00 | Window Closed / Lapsed |