Patent US5818474A successfully refreshed from Google Patents.
US890950A
Expired / Lapsed
US
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Hanger for sliding doors.
Assignee: Individual
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Filing: 1907-09-19
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Granted: 1908-06-16
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Expires: 1927-09-19
Abstract
No abstract record available.
Inventors
- 👤 Richard E Washburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:56
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; E05Y2600/00; E05Y2600/10; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132
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) | 1911-06-16 | 1911-12-16 | 1912-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-06-16 | 1915-12-16 | 1916-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-06-16 | 1919-12-16 | 1920-06-16 | $7700.00 | Window Closed / Lapsed |