US2478657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Die casting machine
Assignee: Super Mold Corp of California
•
Filing: 1946-11-06
•
Granted: 1949-08-09
•
Expires: 1966-11-06
Abstract
No abstract record available.
Inventors
- 👤 Edwin A Glynn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:43
CPC Classifications
B; B22; B22D; B22D17/00; B22D17/20; B22D17/22; B22D17/26
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US231499A
Cited
US421247A
Cited
US1662750A
Cited
US1989438A
Cited
US2173377A
Cited
US2225273A
Cited
US2268949A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-08 | 1953-02-07 | 1953-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-08 | 1957-02-07 | 1957-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-08 | 1961-02-07 | 1961-08-09 | $7700.00 | Window Closed / Lapsed |