US222970A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in wood-molding machines
Assignee: —
•
Filing: —
•
Granted: 1879-12-23
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Expires: 1896-12-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:31
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/44; B23Q1/48; B23Q1/4804
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) | 1882-12-22 | 1883-06-23 | 1883-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1886-12-22 | 1887-06-23 | 1887-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1890-12-22 | 1891-06-23 | 1891-12-23 | $7700.00 | Window Closed / Lapsed |