Patent US2792937A successfully refreshed from Google Patents.
US2792937A
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Conveying mechanism
Assignee: Unisys Corp
•
Filing: 1953-11-02
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Granted: 1957-05-21
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Expires: 1973-11-02
Abstract
No abstract record available.
Inventors
- 👤 William G Searles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:29
CPC Classifications
A; A01; A01D; A01D45/00; A01D45/02; A01D45/021; B; B65; B65G; B65G19/00; B65G19/14; B65G19/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1290200A
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US1595566A
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US1821438A
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US1902873A
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DE629844C
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US2096409A
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DE672956C
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US2290950A
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US2368353A
Cited
US2630207A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-20 | 1960-11-19 | 1961-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-20 | 1964-11-19 | 1965-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-20 | 1968-11-19 | 1969-05-21 | $7700.00 | Window Closed / Lapsed |