US2873709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated die structure and method
Assignee: Lyon Inc
•
Filing: 1953-06-24
•
Granted: 1959-02-17
•
Expires: 1973-06-24
Abstract
No abstract record available.
Inventors
- 👤 Michael J Celovsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:37
CPC Classifications
B; B21; B21D; B21D37/00; B21D37/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2384349A
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US2588234A
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US2725310A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |