Patent US2471148A successfully refreshed from Google Patents.
US2471148A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sprue cutter for transfer molding devices
Assignee: General Electric Co
•
Filing: 1948-01-06
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Granted: 1949-05-24
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Expires: 1968-01-06
Abstract
No abstract record available.
Inventors
- 👤 Marvin E Gale
- 👤 Frank W Warner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:12
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/02; B29C45/14; B29C45/17; B29C45/38; B29C2045/384; Y; Y10; Y10S; Y10S425/00; Y10S425/051; Y10S425/229; Y10S425/806
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1322502A
Cited
US1916495A
Cited
US1997074A
Cited
US1988506A
Cited
US2111857A
Cited
US2244816A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-23 | 1952-11-22 | 1953-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-23 | 1956-11-22 | 1957-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-23 | 1960-11-22 | 1961-05-24 | $7700.00 | Window Closed / Lapsed |