US2659119A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wear resisting insert for core making apparatus
Assignee: Individual
•
Filing: 1950-06-15
•
Granted: 1953-11-17
•
Expires: 1970-06-15
Abstract
No abstract record available.
Inventors
- 👤 Edwin F Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:23
CPC Classifications
B; B22; B22C; B22C15/00; B22C15/23; B22C15/24; B22C15/245; B22C7/00; B22C7/06; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10882; Y10T152/10909
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1597945A
Cited
US1766333A
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US2076985A
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US2423341A
Cited
US2510417A
Cited
US2553627A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-16 | 1957-05-18 | 1957-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-16 | 1961-05-18 | 1961-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-16 | 1965-05-18 | 1965-11-17 | $7700.00 | Window Closed / Lapsed |