Patent US2663442A successfully refreshed from Google Patents.
US2663442A
Expired / Lapsed
US
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Side grip drum handling means for lift trucks
Assignee: Hyster Co
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Filing: 1950-08-10
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Granted: 1953-12-22
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Expires: 1970-08-10
Abstract
No abstract record available.
Inventors
- 👤 Leslie G Ehmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:14
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/12; B66F9/18; B66F9/184; B66F9/187
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1807360A
Cited
FR702625A
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US1900569A
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US2385512A
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US2554433A
Cited
US2536151A
Cited
US2497118A
Cited
US2475367A
Cited
US2582663A
Cited
US2604220A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-21 | 1957-06-22 | 1957-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-21 | 1961-06-22 | 1961-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-21 | 1965-06-22 | 1965-12-22 | $7700.00 | Window Closed / Lapsed |