Patent US2536151A successfully refreshed from Google Patents.
US2536151A
Expired / Lapsed
US
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Material handling apparatus
Assignee: Doosan Bobcat North America Inc
•
Filing: 1946-02-25
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Granted: 1951-01-02
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Expires: 1966-02-25
Abstract
No abstract record available.
Inventors
- 👤 Backofen Ryan
- 👤 George L Turner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:10
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/12; B66F9/18; B66F9/183; Y; Y10; Y10S; Y10S414/00; Y10S414/126
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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AU2256129A
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US1974891A
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US1971952A
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US1895640A
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US2224913A
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US2281012A
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US2323810A
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US2312461A
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US2403356A
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US2420828A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-01 | 1954-07-03 | 1955-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-01 | 1958-07-03 | 1959-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-01 | 1962-07-03 | 1963-01-02 | $7700.00 | Window Closed / Lapsed |