US3276770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet feeding apparatus
Assignee: Xerox Corp
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Filing: 1964-09-08
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Granted: 1966-10-04
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Expires: 1984-09-08
Abstract
No abstract record available.
Inventors
- 👤 Augustus W Griswold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:13
CPC Classifications
B; B65; B65H; B65H3/00; B65H3/08; B65H3/0808; B65H3/0816; B65H3/02; G; G03; G03G; G03G15/00; G03G15/65; G03G15/6502
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
APPARATUS FOR SEPARATING INDIVIDUAL SHEETS FROM A STACK FOR SHEET FEEDING INCLUDING: SUPPORT MEANS ADAPTED TO CONTAIN A STACK OF SHEETS, A ROTATABLE FRICTION MEMBER MOUNTED ABOVE THE SUPPORT MEANS AND ADAPTED TO BE MOVED INTO AND OUT OF CONTACT WITH THE TOP OF A SHEET STACK ON THE SUPPORT MEANS, MEANS TO ROTATE THE FRICTION MEMBER WHEN THE FRICTION MEMBER IS IN CONTACT WITH THE STACK, AND RETAINING MEANS POSITIONED BESIDE THE CORNERS OF THE SHEET STACK IN INTERFERENCE RELATIONSHIP WITH ROTATIONAL MOVEMENT OF THE SHEETS IN THE STACK TO PRODUCE BUCKLING AND SEPARATION OF INDIVIDUAL SHEETS ROTATED BY THE FRICTION MEMBER.
Claim 2
Dependent Claim
103 words
APPARATUS FOR SEPARATING INDIVIDUAL SHEETS FROM A STACK FOR SHEET FEEDING INCLUDING: SUPPORT MEANS ADAPTED TO CONTAIN A STACK OF SHEETS, A ROTATABLE FRICTION MEMBER MOUNTED ABOVE THE SUPPORT MEANS AND ADAPTED TO BE MOVED INTO AND OUT OF CONTACT WITH THE TOP OF A SHEET STACK ON THE SUPPORT MEANS, MEANS TO ROTATE THE FRICTION MEMBER WHEN THE FRICTION MEMBER IS IN CONTACT WITH THE STACK, AND RETAINING MEANS POSITIONED BESIDE THE CORNERS OF THE SHEET STACK IN INTERFERENCE RELATIONSHIP WITH ROTATIONAL MOVEMENT OF THE SHEETS IN THE STACK TO PRODUCE BUCKLING AND SEPARATION OF INDIVIDUAL SHEETS ROTATED BY THE FRICTION MEMBER.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |