Patent US2586227A successfully refreshed from Google Patents.
US2586227A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scaffold for handling sheet material
Assignee: Individual
•
Filing: 1946-07-09
•
Granted: 1952-02-19
•
Expires: 1966-07-09
Abstract
No abstract record available.
Inventors
- 👤 Henderson Lee Roy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:27
CPC Classifications
E; E04; E04F; E04F21/00; E04F21/18; E04F21/1805; E04F21/1811
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US89306A
Cited
US118128A
Cited
US153270A
Cited
US522526A
Cited
US1168868A
Cited
US1360131A
Cited
US1582147A
Cited
US1639962A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-18 | 1955-08-20 | 1956-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-18 | 1959-08-20 | 1960-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-18 | 1963-08-20 | 1964-02-19 | $7700.00 | Window Closed / Lapsed |