US2748434A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanism for replacing dies of ejection moulding machines
Assignee: M AND W Co Inc
•
Filing: 1954-10-04
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Granted: 1956-06-05
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Expires: 1974-10-04
Abstract
No abstract record available.
Inventors
- 👤 Ivan J Amo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:32
CPC Classifications
B; B22; B22D; B22D17/00; B22D17/20; B22D17/22; B29; B29C; B29C45/00; B29C45/17; B29C45/26; B29C45/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1175729A
Cited
US1737143A
Cited
US1807055A
Cited
US1956870A
Cited
US2114015A
Cited
US2372177A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-05 | 1959-12-05 | 1960-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-05 | 1963-12-05 | 1964-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-05 | 1967-12-05 | 1968-06-05 | $7700.00 | Window Closed / Lapsed |