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US669466A
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US
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Apparatus for withdrawing molten metal from furnaces, &c., and charging said metal into molds, &c.
Assignee: Individual
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Filing: 1899-08-10
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Granted: 1901-03-05
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Expires: 1919-08-10
Abstract
No abstract record available.
Inventors
- 👤 James Mcrae
- 👤 George H Kitto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:46
CPC Classifications
F; F04; F04D; F04D7/00; F04D7/02; F04D7/06; F04D7/065; B; B22; B22D; B22D39/00; B22D39/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1904-03-04 | 1904-09-03 | 1905-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-03-04 | 1908-09-03 | 1909-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-03-04 | 1912-09-03 | 1913-03-05 | $7700.00 | Window Closed / Lapsed |