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Patent US2790528A successfully refreshed from Google Patents.
US2790528A
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Sheet feeding control apparatus
Assignee: Unisys Corp
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Filing: 1954-01-21
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Granted: 1957-04-30
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Expires: 1974-01-21
Abstract
No abstract record available.
Inventors
- 👤 Teitler Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:25
CPC Classifications
B; B41; B41J; B41J11/00; B41J11/36; B41J11/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1954041A
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US2066029A
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US2046001A
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US2056393A
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US2310418A
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US2442970A
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US2348059A
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US2531885A
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US2476449A
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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) | 1960-04-29 | 1960-10-29 | 1961-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-29 | 1964-10-29 | 1965-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-29 | 1968-10-29 | 1969-04-30 | $7700.00 | Window Closed / Lapsed |