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US2458290A
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US
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Power transmission for reversible machine elements
Assignee: Ex-Cell-O Corp
•
Filing: 1944-04-10
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Granted: 1949-01-04
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Expires: 1964-04-10
Abstract
No abstract record available.
Inventors
- 👤 Charles Z Monroe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:46
CPC Classifications
B; B24; B24B; B24B47/00; B24B47/02; B24B47/06; Y; Y10; Y10S; Y10S60/00; Y10S60/911
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US124095A
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US610479A
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US1583351A
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US1724635A
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US1880727A
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US2012273A
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US1938762A
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US2366777A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-04 | 1952-07-05 | 1953-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-04 | 1956-07-05 | 1957-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-04 | 1960-07-05 | 1961-01-04 | $7700.00 | Window Closed / Lapsed |