US3035834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet stack advance mechanism
Assignee: Unisys Corp
•
Filing: 1959-03-02
•
Granted: 1962-05-22
•
Expires: 1979-03-02
Abstract
No abstract record available.
Inventors
- 👤 Richard H Bottrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:38
CPC Classifications
B; B65; B65H; B65H1/00; B65H1/08; B65H1/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US132325A
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US236427A
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US664340A
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US1135140A
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US1154237A
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US1146929A
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US1214474A
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US1587417A
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US2856187A
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US2919130A
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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) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |