US3101942A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure vacuum stacker
Assignee: Unisys Corp
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Filing: 1961-09-29
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Granted: 1963-08-27
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Expires: 1981-09-29
Abstract
No abstract record available.
Inventors
- 👤 Kenneth F Zyber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:27
CPC Classifications
B; B65; B65H; B65H31/00; B65H31/04; B65H31/06; B65H29/00; B65H29/24; B65H29/241; B65H29/242; B65H2301/00; B65H2301/30; B65H2301/32; B65H2301/321; B65H2301/40; B65H2301/42; B65H2301/421; B65H2301/4214; B65H2403/00; B65H2403/60; B65H2701/00; B65H2701/10; B65H2701/19; B65H2701/1912
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
178 words
IN A SHEET TRANSPORTING APPARATUS IN WHICH SHEETS ARE FED SINGLY AND EDGEWISE ALONG A PATH OF TRAVEL, A SHEET STACKING DEVICE COMPRISING AN UPRIGHT WALL TO FORM AN EXTENSION OF THE PATH OF SHEET TRAVEL AND IN PART ONE SIDE OF A SHEET STACKING BIN, A SECOND UPRIGHT WALL FORMING THE END OF THE BIN, A MOVABLE BACK-UP PLATE FORMING THE OTHER SIDE OF THE BIN, A HOLLOW HEAD HAVING A SIDE WALL MEMBER PROJECTING BROADSIDE WITHIN AN OPENING IN SAID FIRST-MENTIONED WALL AND ELONGATED IN THE DIRECTION OF SHEET TRAVEL, SAID HEAD SIDE WALL MEMBER HAVING A PLURALITY OF AIR PORTS, AN ENDLESS BELT MEMBER ARRANGED TO TRAVEL BROADSIDE WITHIN SAID OPENING OVER SAID PORTS IN A DIRECTION TO MOVE A SHEET TOWARD SAID END WALL AND HAVING A PLURALITY OF PORTS TO ESTABLISH COMMUNICATION BETWEEN SAID HEAD AND A SHEET, THE PORTS IN ONE OF SAID MEMBERS BEING ALONGATED IN THE DIRECTION OF SHEET TRAVEL TO OVERLAP ADJACENT ONES OF THE PORTS IN THE OTHER OF SAID MEMBERS, A VALVE ELEMENT IN COMMUNICATION WITH SAID
Claim 2
Dependent Claim
178 words
IN A SHEET TRANSPORTING APPARATUS IN WHICH SHEETS ARE FED SINGLY AND EDGEWISE ALONG A PATH OF TRAVEL, A SHEET STACKING DEVICE COMPRISING AN UPRIGHT WALL TO FORM AN EXTENSION OF THE PATH OF SHEET TRAVEL AND IN PART ONE SIDE OF A SHEET STACKING BIN, A SECOND UPRIGHT WALL FORMING THE END OF THE BIN, A MOVABLE BACK-UP PLATE FORMING THE OTHER SIDE OF THE BIN, A HOLLOW HEAD HAVING A SIDE WALL MEMBER PROJECTING BROADSIDE WITHIN AN OPENING IN SAID FIRST-MENTIONED WALL AND ELONGATED IN THE DIRECTION OF SHEET TRAVEL, SAID HEAD SIDE WALL MEMBER HAVING A PLURALITY OF AIR PORTS, AN ENDLESS BELT MEMBER ARRANGED TO TRAVEL BROADSIDE WITHIN SAID OPENING OVER SAID PORTS IN A DIRECTION TO MOVE A SHEET TOWARD SAID END WALL AND HAVING A PLURALITY OF PORTS TO ESTABLISH COMMUNICATION BETWEEN SAID HEAD AND A SHEET, THE PORTS IN ONE OF SAID MEMBERS BEING ALONGATED IN THE DIRECTION OF SHEET TRAVEL TO OVERLAP ADJACENT ONES OF THE PORTS IN THE OTHER OF SAID MEMBERS, A VALVE ELEMENT IN COMMUNICATION WITH SAID
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) | 1966-08-26 | 1967-02-25 | 1967-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-26 | 1971-02-25 | 1971-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-26 | 1975-02-25 | 1975-08-27 | $7700.00 | Window Closed / Lapsed |