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US2817954A
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Hydraulic change speed device
Assignee: CAMBI IDRAULICI BADALINI SpA
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Filing: 1954-07-13
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Granted: 1957-12-31
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Expires: 1974-07-13
Abstract
No abstract record available.
Inventors
- 👤 Badalini Giovanni
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:50
CPC Classifications
F; F16; F16H; F16H39/00; F16H39/04; F16H39/06; F16H39/08; F16H39/10; F16H39/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1840872A
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AU2339035A
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US2211402A
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US2296929A
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US2371974A
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US2389186A
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US2670715A
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US2583656A
Cited
US2687049A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-30 | 1961-07-01 | 1961-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-30 | 1965-07-01 | 1965-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-30 | 1969-07-01 | 1969-12-31 | $7700.00 | Window Closed / Lapsed |