Patent US2633354A successfully refreshed from Google Patents.
US2633354A
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Sprocket type paper feed device
Assignee: Unisys Corp
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Filing: 1948-09-30
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Granted: 1953-03-31
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Expires: 1968-09-30
Abstract
No abstract record available.
Inventors
- 👤 Harold P Mixer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:10
CPC Classifications
B; B41; B41J; B41J11/00; B41J11/26; B41J11/30; H; H04; H04L; H04L13/00; H04L13/02; H04L13/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US339861A
Cited
US1819743A
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US1927062A
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US2277693A
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US2130015A
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US2179156A
Cited
US2258799A
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US2286084A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-30 | 1956-09-29 | 1957-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-30 | 1960-09-29 | 1961-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-30 | 1964-09-29 | 1965-03-31 | $7700.00 | Window Closed / Lapsed |