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US2820342A
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Hydraulic mechanism
Assignee: Textron Inc
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Filing: 1954-10-18
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Granted: 1958-01-21
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Expires: 1974-10-18
Abstract
No abstract record available.
Inventors
- 👤 Ralph M Heintz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:11
CPC Classifications
F; F16; F16H; F16H43/00; H; H01; H01Q; H01Q3/00; H01Q3/02; H01Q3/04; H01Q3/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US971358A
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US1418616A
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US1452501A
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US1939886A
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US1897075A
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US2172103A
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US2327787A
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US2369867A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-20 | 1961-07-22 | 1962-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-20 | 1965-07-22 | 1966-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-20 | 1969-07-22 | 1970-01-21 | $7700.00 | Window Closed / Lapsed |