Patent US2242692A successfully refreshed from Google Patents.
US3504733A
Expired / Lapsed
US
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Die casting mold assembly
Assignee: Amsted Industries Inc
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Filing: 1966-05-02
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Granted: 1970-04-07
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Expires: 1986-05-02
Abstract
No abstract record available.
Inventors
- 👤 Loren W Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:39
CPC Classifications
B; B22; B22D; B22D17/00; B22D17/08; B22D17/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-06 | 1973-10-06 | 1974-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-06 | 1977-10-06 | 1978-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-06 | 1981-10-06 | 1982-04-07 | $7700.00 | Window Closed / Lapsed |