US2633260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fork lift truck
Assignee: Celanese Corp
•
Filing: 1949-01-06
•
Granted: 1953-03-31
•
Expires: 1969-01-06
Abstract
No abstract record available.
Inventors
- 👤 Frederick F Sutherland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:41
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US890061A
Cited
US1297619A
Cited
US1693335A
Cited
US1763351A
Cited
US1855068A
Cited
US1709737A
Cited
US2302137A
Cited
US2281004A
Cited
US2362991A
Cited
US2388458A
Cited
US2411022A
Cited
US2431877A
Cited
US2517938A
Cited
US2547329A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-30 | 1956-09-29 | 1957-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-30 | 1960-09-29 | 1961-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-30 | 1964-09-29 | 1965-03-31 | $7700.00 | Window Closed / Lapsed |