Patent US2442739A successfully refreshed from Google Patents.
US2442739A
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Dual control apparatus for continuous and preselected multiturn motion
Assignee: Individual
•
Filing: 1944-07-15
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Granted: 1948-06-01
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Expires: 1964-07-15
Abstract
No abstract record available.
Inventors
- 👤 Michel N Yardeny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:10
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/125; G05D3/127
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1850780A
Cited
US835382A
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US1488723A
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US1508796A
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GB186420A
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US1693314A
Cited
US1979588A
Cited
US2124684A
Cited
US2342717A
Cited
US2224619A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-01 | 1951-12-01 | 1952-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-01 | 1955-12-01 | 1956-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-01 | 1959-12-01 | 1960-06-01 | $7700.00 | Window Closed / Lapsed |