US3288461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet feeding apparatus
Assignee: Xerox Corp
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Filing: 1964-12-28
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Granted: 1966-11-29
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Expires: 1984-12-28
Abstract
No abstract record available.
Inventors
- 👤 Richard E Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:13
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/00567; H04N1/00628; B; B65; B65H; B65H1/00; B65H1/08; B65H1/22; G; G06; G06K; G06K13/00; G06K13/02; G06K13/08; G06K13/10; G06K13/103
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A SHEET FEEDING APPARATUS OF THE TYPE WHEREIN SHEETS ARE FED SERIATIM FROM THE BOTTOM OF A STACK INCLUDING SUPPORT FINGERS POSITIONED BENEATH A STACK OF SHEETS TO BE FED AND CAPABLE OF RAISING AND LOWERING THE STACK; SHEET ADVANCING MEANS POSITIONED TO CONTACT THE BOTTOM SHEET OF A STACK OF SHEETS ON THE SUPPORT FINGERS AND OPERATIVE TO ADVANCE THE SHEET CONTACTED IN THE DIRECTION OF FEEDING; MEANS TO RAISE AND LOWER THE SUPPORT FINGERS INCLUDING ACTUATING MEANS OPERATED BY THE SHEETS BEING FED; MEANS TO RETAIN THE STACK OF SHEETS FROM MOVEMENT IN THE DIRECTION OF FEEDING; AND MEANS TO DRIVE THE ADVANCING MEANS.
Claim 2
Dependent Claim
106 words
A SHEET FEEDING APPARATUS OF THE TYPE WHEREIN SHEETS ARE FED SERIATIM FROM THE BOTTOM OF A STACK INCLUDING SUPPORT FINGERS POSITIONED BENEATH A STACK OF SHEETS TO BE FED AND CAPABLE OF RAISING AND LOWERING THE STACK; SHEET ADVANCING MEANS POSITIONED TO CONTACT THE BOTTOM SHEET OF A STACK OF SHEETS ON THE SUPPORT FINGERS AND OPERATIVE TO ADVANCE THE SHEET CONTACTED IN THE DIRECTION OF FEEDING; MEANS TO RAISE AND LOWER THE SUPPORT FINGERS INCLUDING ACTUATING MEANS OPERATED BY THE SHEETS BEING FED; MEANS TO RETAIN THE STACK OF SHEETS FROM MOVEMENT IN THE DIRECTION OF FEEDING; AND MEANS TO DRIVE THE ADVANCING MEANS.
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) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |