Patent US2486388A successfully refreshed from Google Patents.
US2486388A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ball casting machine
Assignee: Individual
•
Filing: 1944-09-23
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Granted: 1949-11-01
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Expires: 1964-09-23
Abstract
No abstract record available.
Inventors
- 👤 Willard C Brinton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:58
CPC Classifications
B; B22; B22D; B22D15/00; B22D15/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US5371A
Cited
US533139A
Cited
US1319674A
Cited
US891891A
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US972108A
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US1139885A
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US1863371A
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US1864270A
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US1996905A
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US1984385A
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US2091348A
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US2308448A
Cited
US2326164A
Cited
US2322795A
Cited
US2369233A
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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) | 1952-10-31 | 1953-05-02 | 1953-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-31 | 1957-05-02 | 1957-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-31 | 1961-05-02 | 1961-11-01 | $7700.00 | Window Closed / Lapsed |