US3619910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packaging apparatus
Assignee: EIDP Inc
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Filing: 1970-04-09
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Granted: 1971-11-16
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Expires: 1990-04-09
Abstract
Abstract A METHOD AND APPARATUS FOR PACKAGING ARTICLES SUCH AS CANS IN AN OVERWRAP OF THERMOPLASTIC POLYMERIC MATERIAL IS PROVIDED WHEREIN SAID APPARATUS COMPRISES MEANS FOR GROUPING A PLURALITY OF ARTICLES TO BE PACKAGED, MEANS FOR ENWRAPPING SAID ARTICLES WITH SAID FILM, MEANS FOR HEAT-SEALING OVERLAPPED EDGE PORTIONS OF SAID FILM AND ENCLOSING SAID ARTICLES THEREWITHIN, MEANS FOR SEPARATING SAID FILM-ENWRAPPED GROUPED ARTICLES, AND MEANS FOR SHRINKING SAID HEAT-SEALED FILM TO PROVIDE A PACKAGE OF GROUPED ARTICLES CHARACTERIZED BY A SUBSTANTIALLY WRINKLEFREE FILM EXTENDING OVER THE TOP, BOTTOM, SIDES AND PORTIONS OF THE ENDS OF SAID GROUPED ARTICLES.
Inventors
- 👤 Keith Stewart Carmichael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:48
CPC Classifications
B; B65; B65B; B65B53/00; B65B53/02; B65B53/06; B65B53/063
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-15 | 1975-05-17 | 1975-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-15 | 1979-05-17 | 1979-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-15 | 1983-05-17 | 1983-11-16 | $7700.00 | Window Closed / Lapsed |