US3297318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means and method for stacking sheets of paperboard or cardboard
Assignee: Bathurst Paper Ltd
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Filing: 1964-03-26
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Granted: 1967-01-10
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Expires: 1984-03-26
Abstract
No abstract record available.
Inventors
- 👤 John E Knecht
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:39
CPC Classifications
B; B65; B65H; B65H31/00; B65H31/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
MEANS FOR THE CONTINUOUS STACKING OF SHEETS COMPRISING: A FRAME HAVING MOUNTED THEREON, FIRST GUIDE EXTENTS EXTENDING GENERALLY VERTICALLY; SECOND GUIDE EXTENTS SPACED FROM SAID FIRST GUIDE EXTENTS, ARRANGED AND ORIENTED TO GUIDE SHEETS INTO POSITION WITH ONE EDGE EXTENDING ALONG SAID FIRST GUIDE EXTENT AND THE OTHER EDGE EXTENDING ALONG SAID SECOND GUIDE EXTENT, WHEREBY SHEETS MAY BE STACKED ONE ON THE OTHER WITH THE EDGES IN SUCH RELATIONSHIP; CLAMPING SURFACES MOUNTED ON SAID FRAME TO MOVE FROM A RETRACTED POSITION CLEAR OF SUCH STACK TO AN EXTENDED POSITION TO CLAMP SHEETS IN SAID STACK BETWEEN SUCH CLAMPS AND SAID FIRST GUIDE EXTENTS; BASE FOR SUPPORTING SHEETS STACKED BETWEEN SAID FIRST AND SECOND EXTENTS, AND MEANS FOR GRADUALLY RAISING SAID FRAME RELATIVE TO SAID BASE.
Claim 2
Dependent Claim
126 words
MEANS FOR THE CONTINUOUS STACKING OF SHEETS COMPRISING: A FRAME HAVING MOUNTED THEREON, FIRST GUIDE EXTENTS EXTENDING GENERALLY VERTICALLY; SECOND GUIDE EXTENTS SPACED FROM SAID FIRST GUIDE EXTENTS, ARRANGED AND ORIENTED TO GUIDE SHEETS INTO POSITION WITH ONE EDGE EXTENDING ALONG SAID FIRST GUIDE EXTENT AND THE OTHER EDGE EXTENDING ALONG SAID SECOND GUIDE EXTENT, WHEREBY SHEETS MAY BE STACKED ONE ON THE OTHER WITH THE EDGES IN SUCH RELATIONSHIP; CLAMPING SURFACES MOUNTED ON SAID FRAME TO MOVE FROM A RETRACTED POSITION CLEAR OF SUCH STACK TO AN EXTENDED POSITION TO CLAMP SHEETS IN SAID STACK BETWEEN SUCH CLAMPS AND SAID FIRST GUIDE EXTENTS; BASE FOR SUPPORTING SHEETS STACKED BETWEEN SAID FIRST AND SECOND EXTENTS, AND MEANS FOR GRADUALLY RAISING SAID FRAME RELATIVE TO SAID BASE.
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) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |