US3256783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Procedure and apparatus for the production of cardboard cases noncircular in cross-section
Assignee: JA Schmalbach AG
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Filing: 1963-06-14
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Granted: 1966-06-21
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Expires: 1983-06-14
Abstract
No abstract record available.
Inventors
- 👤 Richter Wolfgang Max Egon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:38
CPC Classifications
B; B31; B31C; B31C11/00; B31C11/02; B31B; B31B50/00; B31B50/26; B31B50/36; B31B50/38; B31B50/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A METHOD OF PRODUCING CASES WHICH ARE NONCIRCULAR IN CROSS-SECTION, ESPECIALLY OF NONCIRCULAR CARDBOARD CONTAINERS COMPRISING THE STEPS OF MOVING ROUND CASES PREFERABLY CARD BOARD CASES, THROUGH AND AT LEAST PARTIALLY HEATED TRANSFORMATION STATION HAVING A RECEIVING PORTION TO RECEIVE THE INITIAL ROUND SECTION OF THE CASES AND AN OUTPUT PORTION SHAPED TO THE FINAL DESIRED CROSS-SECTION AND FORMING THE CASES TO THEIR FINAL FORM WHILE IN THE TRANSFORMATION STATION, PASSING THE FORMED CONTAINERS THROUGH A HEATING ZONE AND PASSING THE FORMED CONTAINERS THROUGH A CONNECTED COOLING ZONE.
Claim 2
Independent Claim
88 words
A METHOD OF PRODUCING CASES WHICH ARE NONCIRCULAR IN CROSS-SECTION, ESPECIALLY OF NONCIRCULAR CARDBOARD CONTAINERS COMPRISING THE STEPS OF MOVING ROUND CASES PREFERABLY CARD BOARD CASES, THROUGH AND AT LEAST PARTIALLY HEATED TRANSFORMATION STATION HAVING A RECEIVING PORTION TO RECEIVE THE INITIAL ROUND SECTION OF THE CASES AND AN OUTPUT PORTION SHAPED TO THE FINAL DESIRED CROSS-SECTION AND FORMING THE CASES TO THEIR FINAL FORM WHILE IN THE TRANSFORMATION STATION, PASSING THE FORMED CONTAINERS THROUGH A HEATING ZONE AND PASSING THE FORMED CONTAINERS THROUGH A CONNECTED COOLING ZONE.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-20 | 1969-12-20 | 1970-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-20 | 1973-12-20 | 1974-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-20 | 1977-12-20 | 1978-06-21 | $7700.00 | Window Closed / Lapsed |