US3289860A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for handling stacked sheets
Assignee: Dean Research Corp
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Filing: 1964-06-09
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Granted: 1966-12-06
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Expires: 1984-06-09
Abstract
No abstract record available.
Inventors
- 👤 George A Dean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:01
CPC Classifications
B; B66; B66C; B66C1/00; B66C1/02; B66C1/0281; B60; B60P; B60P1/00; B60P1/006; B65; B65H; B65H29/00; B65H29/24; B65H29/241; B65H31/00; B65H31/30; B66C1/0212; B66C1/0293; B66C1/10; B66C1/42; B66C1/44; B66C1/46; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/12; B66F9/18; B66F9/181; B65H2301/00; B65H2301/40; B65H2301/42; B65H2301/421; B65H2301/4212; B65H2301/422; B65H2301/4224
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A SYSTEM FOR HANDLING STACKED SHEETS COMPRISING A SUPPORT, A STACK OF SHEETS THEREON, A CHASSIS HAVING A PAIR OF SPACED LEGS AND A HOUSING CONNECTING THE UPPER ENDS OF SAID LEGS, SAID CHASSIS ADAPTED TO BRIDGE SAID STACK, A VERTICALLY MOVABLE HEAD IN SAID CHASSIS HAVING RIGID DEPENDING SIDES ADAPTED TO EMBRACE THE UPPER PART OF SAID STACK, MEANS FOR POSITIONING SAID CHASSIS OVER SAID STACK, MEANS FOR LOWERING SAID HEAD ONTO SAID STACK, A SEAL IN THE LOWER INNER PORTION OF SAID DEPENDING SIDES ADAPTED TO BE MOVED INWARDLY TO CONTACT AT LEAST ONE OF SAID SHEETS OF SAID STACK, AND MEANS IN SAID HEAD FOR RAISING AT LEAST A PORTION OF SAID STACK FROM SAID SUPPORT FOR REMOVING SAID PORTION.
Claim 2
Independent Claim
123 words
A SYSTEM FOR HANDLING STACKED SHEETS COMPRISING A SUPPORT, A STACK OF SHEETS THEREON, A CHASSIS HAVING A PAIR OF SPACED LEGS AND A HOUSING CONNECTING THE UPPER ENDS OF SAID LEGS, SAID CHASSIS ADAPTED TO BRIDGE SAID STACK, A VERTICALLY MOVABLE HEAD IN SAID CHASSIS HAVING RIGID DEPENDING SIDES ADAPTED TO EMBRACE THE UPPER PART OF SAID STACK, MEANS FOR POSITIONING SAID CHASSIS OVER SAID STACK, MEANS FOR LOWERING SAID HEAD ONTO SAID STACK, A SEAL IN THE LOWER INNER PORTION OF SAID DEPENDING SIDES ADAPTED TO BE MOVED INWARDLY TO CONTACT AT LEAST ONE OF SAID SHEETS OF SAID STACK, AND MEANS IN SAID HEAD FOR RAISING AT LEAST A PORTION OF SAID STACK FROM SAID SUPPORT FOR REMOVING SAID PORTION.
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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |