Patent US2693290A successfully refreshed from Google Patents.
US2693290A
Expired / Lapsed
US
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Attachment for powered hand lift trucks
Assignee: Doosan Bobcat North America Inc
•
Filing: 1950-11-15
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Granted: 1954-11-02
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Expires: 1970-11-15
Abstract
No abstract record available.
Inventors
- 👤 Morris R Elliott
- 👤 George L Turner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:12
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/08; B66F9/082
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2279832A
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US2417018A
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US2384059A
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US2520857A
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US2527928A
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US2426513A
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US2623653A
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US2598865A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-01 | 1958-05-03 | 1958-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-01 | 1962-05-03 | 1962-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-01 | 1966-05-03 | 1966-11-02 | $7700.00 | Window Closed / Lapsed |