US2589342A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lift truck accessory
Assignee: ROLL RITE CORP
•
Filing: 1948-09-30
•
Granted: 1952-03-18
•
Expires: 1968-09-30
Abstract
No abstract record available.
Inventors
- 👤 Carl O Christensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:25
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/12; B66F9/19
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1599751A
Cited
US1779352A
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GB446695A
Cited
US2157642A
Cited
US2281004A
Cited
US2335572A
Cited
US2388987A
Cited
US2413661A
Cited
US2468326A
Cited
US2445038A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-18 | 1955-09-17 | 1956-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-18 | 1959-09-17 | 1960-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-18 | 1963-09-17 | 1964-03-18 | $7700.00 | Window Closed / Lapsed |