Patent US2985142A successfully refreshed from Google Patents.
US2985142A
Expired / Lapsed
US
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Fluid-actuated floor crane
Assignee: RUGER EQUIPMENT Inc
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Filing: 1959-04-22
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Granted: 1961-05-23
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Expires: 1979-04-22
Abstract
No abstract record available.
Inventors
- 👤 Laverne R Aiken
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:40
CPC Classifications
B; B66; B66C; B66C23/00; B66C23/18; B66C23/36; B66C23/48; Y; Y10; Y10S; Y10S212/00; Y10S212/901; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87169; Y10T137/87177
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1822690A
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US1990052A
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US2367682A
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US2389872A
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US2501483A
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US2699875A
Cited
US2646025A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |