US2491343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Injection-molding machine
Assignee: A R D Corp
•
Filing: 1947-05-06
•
Granted: 1949-12-13
•
Expires: 1967-05-06
Abstract
No abstract record available.
Inventors
- 👤 Emerik I Valyi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:30
CPC Classifications
B; B22; B22D; B22D17/00; B22D17/08; B22D17/12; B22D17/20; B22D17/32; B29; B29C; B29C45/00; B29C45/03; B29C45/17; B29C45/70
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1993942A
Cited
US2043584A
Cited
US2107190A
Cited
US2202140A
Cited
US2187212A
Cited
US2359840A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-12 | 1953-06-13 | 1953-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-12 | 1957-06-13 | 1957-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-12 | 1961-06-13 | 1961-12-13 | $7700.00 | Window Closed / Lapsed |