Patent US2847138A successfully refreshed from Google Patents.
US2847138A
Expired / Lapsed
US
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Latch adjustment for fork tines of industrial lift trucks
Assignee: Doosan Bobcat North America Inc
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Filing: 1956-04-11
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Granted: 1958-08-12
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Expires: 1976-04-11
Abstract
No abstract record available.
Inventors
- 👤 Backofen Elmer Ryan
- 👤 James H Newhouse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:19
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2270664A
Cited
US2471429A
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US2421472A
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US2596747A
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US2676722A
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US2668602A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-11 | 1962-02-10 | 1962-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-11 | 1966-02-10 | 1966-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-11 | 1970-02-10 | 1970-08-12 | $7700.00 | Window Closed / Lapsed |