Patent US2596477A successfully refreshed from Google Patents.
US2596477A
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US
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Lift truck grab arm mechanism for cylindrical bodies
Assignee: Caterpillar Industrial Inc
•
Filing: 1949-01-21
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Granted: 1952-05-13
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Expires: 1969-01-21
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Frischmann
- 👤 Robert F Oster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:07
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/12; B66F9/18; B66F9/184; Y; Y10; Y10S; Y10S414/00; Y10S414/124
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1900569A
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US2287469A
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US2522128A
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US2448124A
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US2457366A
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US2488767A
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US2497118A
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US2475367A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-13 | 1955-11-12 | 1956-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-13 | 1959-11-12 | 1960-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-13 | 1963-11-12 | 1964-05-13 | $7700.00 | Window Closed / Lapsed |