Patent US2443074A successfully refreshed from Google Patents.
US2443074A
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US
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Hydraulic transmission
Assignee: Nordberg Manufacturing Co
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Filing: 1944-09-29
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Granted: 1948-06-08
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Expires: 1964-09-29
Abstract
No abstract record available.
Inventors
- 👤 Selmer A Kraft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:05
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/38; F16H61/40; F16H61/42; F16H61/437; F16H39/00; F16H39/04; F16H39/06; F16H39/22; F16H39/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1080282A
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US1243640A
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US1354592A
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US1411348A
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US1885265A
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US2211402A
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US2337499A
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US2333620A
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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) | 1951-06-08 | 1951-12-08 | 1952-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-08 | 1955-12-08 | 1956-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-08 | 1959-12-08 | 1960-06-08 | $7700.00 | Window Closed / Lapsed |