US6451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bedstead-fastening
Assignee: —
•
Filing: —
•
Granted: 1849-05-15
•
Expires: 1866-05-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:14
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/10; A61G7/1013; A61G7/1015; A47; A47C; A47C3/00; A47C3/18; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7005
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) | 1852-05-14 | 1852-11-13 | 1853-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1856-05-14 | 1856-11-13 | 1857-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1860-05-14 | 1860-11-13 | 1861-05-15 | $7700.00 | Window Closed / Lapsed |