US404673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Core for casting
Assignee: —
•
Filing: —
•
Granted: 1889-06-04
•
Expires: 1906-06-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:32
CPC Classifications
B; B28; B28B; B28B7/00; B28B7/28; B28B7/30
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) | 1892-06-03 | 1892-12-03 | 1893-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1896-06-03 | 1896-12-03 | 1897-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1900-06-04 | 1900-12-04 | 1901-06-05 | $7700.00 | Window Closed / Lapsed |