US3084932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet stacker
Assignee: Unisys Corp
•
Filing: 1960-04-25
•
Granted: 1963-04-09
•
Expires: 1980-04-25
Abstract
No abstract record available.
Inventors
- 👤 Schiller Francis
- 👤 John G Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:09
CPC Classifications
B; B65; B65H; B65H29/00; B65H29/54; B65H29/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A SHEET STACKER COMPRISING, A ROTATABLE SUBSTANTIALLY RECTANGULAR PLATFORM HAVING AN UPPER SURFACE FOR FREELY SUPPORTING A SHEET ITEM THEREON, MEANS FOR SO ROTATING SAID PLATFORM AS TO CAUSE SAID SHEET TO ADHERE TO SAID SURFACE, SAID PLATFORM HAVING OPPOSED SLOTS AT LEAST PARTIALLY COVERED BY SAID SHEET AND EXTENDING INWARDLY FROM OPPOSITE EDGES OF SAID PLATFORM, RESILIENT MEANS AT ONE OF SAID EDGES HAVING AN END PORTION SPACED FROM SAID UPPER SURFACE A DISTANCE SOMEWHAT GREATER THAN THE THICKNESS OF SAID SHEET AND OVERLYING AN EDGE OF SAID SHEET, SAID RESILIENT MEANS BEING IN JUXTAPOSITION TO ONE OF SAID SLOTS, AND AN ARM OPERATIVE THROUGH SAID ONE OF SAID SLOTS FOR STRIPPING SAID SHEET FROM SAID UPPER SURFACE AND SAID EDGE OF SAID SHEET FROM UNDER SAID END PORTION OF SAID RESILIENT MEANS AS THE SHEET IS ROTATED WITH SAID UPPER SURFACE TO AN UNDERSIDE POSITION OF SAID PLATFORM.
Claim 2
Dependent Claim
150 words
A SHEET STACKER COMPRISING, A ROTATABLE SUBSTANTIALLY RECTANGULAR PLATFORM HAVING AN UPPER SURFACE FOR FREELY SUPPORTING A SHEET ITEM THEREON, MEANS FOR SO ROTATING SAID PLATFORM AS TO CAUSE SAID SHEET TO ADHERE TO SAID SURFACE, SAID PLATFORM HAVING OPPOSED SLOTS AT LEAST PARTIALLY COVERED BY SAID SHEET AND EXTENDING INWARDLY FROM OPPOSITE EDGES OF SAID PLATFORM, RESILIENT MEANS AT ONE OF SAID EDGES HAVING AN END PORTION SPACED FROM SAID UPPER SURFACE A DISTANCE SOMEWHAT GREATER THAN THE THICKNESS OF SAID SHEET AND OVERLYING AN EDGE OF SAID SHEET, SAID RESILIENT MEANS BEING IN JUXTAPOSITION TO ONE OF SAID SLOTS, AND AN ARM OPERATIVE THROUGH SAID ONE OF SAID SLOTS FOR STRIPPING SAID SHEET FROM SAID UPPER SURFACE AND SAID EDGE OF SAID SHEET FROM UNDER SAID END PORTION OF SAID RESILIENT MEANS AS THE SHEET IS ROTATED WITH SAID UPPER SURFACE TO AN UNDERSIDE POSITION OF SAID PLATFORM.
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) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |