Patent US3353218A successfully refreshed from Google Patents.
US3353218A
Expired / Lapsed
US
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Apparatus for changing the size of plastic film cupping die of packaging machine
Assignee: Cloud Machine Corp
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Filing: 1964-07-06
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Granted: 1967-11-21
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Expires: 1984-07-06
Abstract
No abstract record available.
Inventors
- 👤 Charles E Cloud
- 👤 Lloyd N Krohn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:34
CPC Classifications
B; B65; B65B; B65B47/00; B65B47/04; B65B47/06; Y; Y10; Y10S; Y10S425/00; Y10S425/033; Y10S425/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
IN A PLASTIC SHEET CUPPING DIE STRUCTURE FOR A MACHINE FOR PACKAGING ARTICLES, A MEMBER FOR CUPPING PLASTIC SHEET AND HAVING A BOTTOM AND SIDE WALLS, A PERMANENT MAGNETIC DEVICE AT THE BOTTOM OF SAID MEMBER AND AN ARTICLE SUPPORTING MAGNETICALLY RESPONSIVE INSERT IN SAID MEMBER COOPERATING WITH SAID DEVICE SO AS TO BE DETACHABLY HELD IN SAID MEMBER BY THE MAGNETIC FORCE OF SAID DEVICE IN A POSITION TO RECEIVE A PORTION OF A PLASTIC SHEET CUPPED INTO SAID MEMBER PRIOR TO THE PLACING OF AN ARTICLE THEREON.
Claim 2
Dependent Claim
89 words
IN A PLASTIC SHEET CUPPING DIE STRUCTURE FOR A MACHINE FOR PACKAGING ARTICLES, A MEMBER FOR CUPPING PLASTIC SHEET AND HAVING A BOTTOM AND SIDE WALLS, A PERMANENT MAGNETIC DEVICE AT THE BOTTOM OF SAID MEMBER AND AN ARTICLE SUPPORTING MAGNETICALLY RESPONSIVE INSERT IN SAID MEMBER COOPERATING WITH SAID DEVICE SO AS TO BE DETACHABLY HELD IN SAID MEMBER BY THE MAGNETIC FORCE OF SAID DEVICE IN A POSITION TO RECEIVE A PORTION OF A PLASTIC SHEET CUPPED INTO SAID MEMBER PRIOR TO THE PLACING OF AN ARTICLE THEREON.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |