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US513998A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for making cores
Assignee: —
•
Filing: —
•
Granted: 1894-02-06
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Expires: 1911-02-06
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:38
CPC Classifications
B; B22; B22C; B22C13/00; B22C13/12; B22C13/16
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) | 1897-02-05 | 1897-08-07 | 1898-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1901-02-06 | 1901-08-08 | 1902-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1905-02-06 | 1905-08-08 | 1906-02-07 | $7700.00 | Window Closed / Lapsed |