Patent US3042397A successfully refreshed from Google Patents.
US3042397A
Expired / Lapsed
US
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Sheet feeding mechanism
Assignee: Unisys Corp
•
Filing: 1959-01-21
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Granted: 1962-07-03
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Expires: 1979-01-21
Abstract
No abstract record available.
Inventors
- 👤 Robert R Tarbuck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:17
CPC Classifications
B; B65; B65H; B65H29/00; B65H29/70; B65H2701/00; B65H2701/10; B65H2701/19; B65H2701/1912
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US636941A
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US826203A
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US986782A
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US1418506A
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US1553352A
Cited
US2200176A
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US2324050A
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US2571942A
Cited
US2823033A
Cited
US2843377A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-02 | 1966-01-01 | 1966-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-02 | 1970-01-01 | 1970-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-02 | 1974-01-01 | 1974-07-03 | $7700.00 | Window Closed / Lapsed |