US2614689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knockdown type platform for metal sheets and the like
Assignee: United States Steel Corp
•
Filing: 1950-10-30
•
Granted: 1952-10-21
•
Expires: 1970-10-30
Abstract
No abstract record available.
Inventors
- 👤 Charles E Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:13
CPC Classifications
B; B65; B65D; B65D71/00; B65D71/0088; B65D71/0092; B65D71/0096; B65D2571/00; B65D2571/00006; B65D2571/00037; B65D2571/00111; B65D2571/00117
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US892146A
Cited
US1331704A
Cited
US1690873A
Cited
US1835825A
Cited
US2004626A
Cited
US2159622A
Cited
US2463214A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-21 | 1956-04-21 | 1956-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-21 | 1960-04-21 | 1960-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-21 | 1964-04-21 | 1964-10-21 | $7700.00 | Window Closed / Lapsed |