Patent US285605A successfully refreshed from Google Patents.
US285605A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ladder
Assignee: —
•
Filing: —
•
Granted: 1883-09-25
•
Expires: 1900-09-25
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:22
CPC Classifications
E; E06; E06C; E06C7/00; E06C7/08; F; F16; F16B; F16B7/00; F16B7/04; F16B7/044; F16B7/048; F16B2200/00; F16B2200/40; F16B2200/67; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7001; Y10T403/7003; Y10T403/71; Y10T403/7117; Y10T403/7123; Y10T403/7194
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1886-09-24 | 1887-03-26 | 1887-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1890-09-24 | 1891-03-26 | 1891-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1894-09-24 | 1895-03-26 | 1895-09-25 | $7700.00 | Window Closed / Lapsed |