Patent US3239213A successfully refreshed from Google Patents.
US3239213A
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Assignee: Xerox Corp
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Filing: 1964-01-02
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Granted: 1966-03-08
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Expires: 1984-01-02
Abstract
No abstract record available.
Inventors
- 👤 Augustus W Griswold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:39
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/00567; H04N1/00628; B; B65; B65H; B65H1/00; B65H1/08; B65H1/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A DOCUMENT FEEDING APPARATUS OF THE TYPE WHEREIN DOCUMENTS ARE FED SERIATIM FROM THE BOTTOM OF A STACK INCLUDING: MEANS TO SUPPORT A STACK OF DOCUMENTS; A DOCUMENT FEED BELT POSITIONED WITH A PORTION EXTENDING SLIGHTLY ABOVE THE SURFACE OF THE SUPPORT MEANS AND PARALLEL THERETO AND EXTENDING OUTWARDS BEYOND THE EDGE OF THE DOCUMENT STACK; MEANS TO DRIVE THE FEED BELT IN A DIRECTIONS SUBSTANTIALLY PARALLEL TO THE BOTTOM OF THE STACK TO FEED DOCUMENTS FROM THE STACK; SEPARATOR ROLLERS POSITIONED ADJACENT TO THE DOCUMENT
Claim 2
Dependent Claim
86 words
A DOCUMENT FEEDING APPARATUS OF THE TYPE WHEREIN DOCUMENTS ARE FED SERIATIM FROM THE BOTTOM OF A STACK INCLUDING: MEANS TO SUPPORT A STACK OF DOCUMENTS; A DOCUMENT FEED BELT POSITIONED WITH A PORTION EXTENDING SLIGHTLY ABOVE THE SURFACE OF THE SUPPORT MEANS AND PARALLEL THERETO AND EXTENDING OUTWARDS BEYOND THE EDGE OF THE DOCUMENT STACK; MEANS TO DRIVE THE FEED BELT IN A DIRECTIONS SUBSTANTIALLY PARALLEL TO THE BOTTOM OF THE STACK TO FEED DOCUMENTS FROM THE STACK; SEPARATOR ROLLERS POSITIONED ADJACENT TO THE DOCUMENT
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |