US2622456A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making dies
Assignee: Individual
•
Filing: 1950-02-08
•
Granted: 1952-12-23
•
Expires: 1970-02-08
Abstract
No abstract record available.
Inventors
- 👤 Gyuris John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:47
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/20; H05B3/22; H05B3/26; H05B2203/00; H05B2203/002; H05B2203/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US370100A
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US598867A
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US956434A
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US1070889A
Cited
US1466680A
Cited
US1934964A
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US2007301A
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US2010673A
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US2378562A
Cited
US2547168A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |