US217353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in kitchen-range ventilators
Assignee: —
•
Filing: —
•
Granted: 1879-07-08
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Expires: 1896-07-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:43
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/20; F24C15/2042
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) | 1882-07-07 | 1883-01-06 | 1883-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1886-07-07 | 1887-01-06 | 1887-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1890-07-07 | 1891-01-06 | 1891-07-08 | $7700.00 | Window Closed / Lapsed |