US828590A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for introducing powdered elements into castings.
Assignee: American Steel Foundries
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Filing: 1906-02-23
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Granted: 1906-08-14
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Expires: 1926-02-23
Abstract
No abstract record available.
Inventors
- 👤 Frank G Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:03
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/08; B67D7/16; B67D7/163
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) | 1909-08-13 | 1910-02-12 | 1910-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-08-13 | 1914-02-12 | 1914-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-08-13 | 1918-02-12 | 1918-08-14 | $7700.00 | Window Closed / Lapsed |