US3469834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet feeder and separator apparatus
Assignee: Xerox Corp
•
Filing: 1967-04-21
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Granted: 1969-09-30
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Expires: 1987-04-21
Abstract
No abstract record available.
Inventors
- 👤 Klaus K Stange
- 👤 Adalbert A Lux
- 👤 Thomas B Michaels
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:23
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/52; G03B27/62; G03B27/6207; G03B27/625; G03B27/6264; G03G; G03G15/00; G03G15/22; G03G15/26; G03G15/263; G03G15/60; G03G15/65; G03G15/6529; G03G15/6588; G03G15/6594; G06; G06K; G06K13/00; G06K13/02; G06K13/07; G06K13/08; G06K13/12; G03G2215/00; G03G2215/00172; G03G2215/00177; G03G2215/00181; G03G2215/00185; G03G2215/00362; G03G2215/00443; G03G2215/00451; G03G2215/00464; G03G2215/00472
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1167367A
Cited
US2565459A
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US2583506A
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US3048393A
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US3027161A
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US3061303A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-29 | 1973-03-31 | 1973-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-29 | 1977-03-31 | 1977-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-29 | 1981-03-31 | 1981-09-30 | $7700.00 | Window Closed / Lapsed |