US2874427A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insert mat for ingot molds and manufacture thereof
Assignee: Individual
•
Filing: 1955-03-31
•
Granted: 1959-02-24
•
Expires: 1975-03-31
Abstract
No abstract record available.
Inventors
- 👤 Harrison D Sterick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:17
CPC Classifications
B; B22; B22D; B22D7/00; B22D7/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA477967A
Cited
US385044A
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US140623A
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US1160804A
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US1328975A
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US1450961A
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US1425830A
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US1915729A
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US2113445A
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US2442946A
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US2453643A
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FR1010790A
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US2572754A
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US2665075A
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US2743493A
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US2807846A
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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) | 1962-02-23 | 1962-08-25 | 1963-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-23 | 1966-08-25 | 1967-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-23 | 1970-08-25 | 1971-02-24 | $7700.00 | Window Closed / Lapsed |