US216702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in sheaves for sliding doors
Assignee: —
•
Filing: —
•
Granted: 1879-06-17
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Expires: 1896-06-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:52
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/06; E05D15/0621; E05D15/0626; E05D15/063; E05D15/0634; E05Y; E05Y2201/00; E05Y2201/60; E05Y2201/622; E05Y2201/64
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) | 1882-06-16 | 1882-12-16 | 1883-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1886-06-16 | 1886-12-16 | 1887-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1890-06-16 | 1890-12-16 | 1891-06-17 | $7700.00 | Window Closed / Lapsed |