US3883034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-returnable packing containers
Assignee: Individual
•
Filing: 1973-09-13
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Granted: 1975-05-13
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Expires: 1993-09-13
Abstract
Abstract A non-returnable packing container comprises at least one substantially plane end wall in which a pouring opening is provided. An inner cover strip is fixed against the inner surface of the end wall over the pouring opening, and an outer, tear-off cover strip is secured over the pouring opening at the outer surface of the end wall, the cover strip being provided with tear-perforations extending along each side of the pour opening.
Inventors
- 👤 Anders Ruben Rausing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:36
CPC Classifications
B; B65; B65D; B65D17/00; B65D17/50; B65D17/501; B65D17/505; B65D2517/00; B65D2517/0001; B65D2517/001; B65D2517/0013; B65D2517/0058; B65D2517/0089; B65D2517/50; B65D2517/5002; B65D2517/5005; B65D2517/5016; B65D2517/5024; B65D2517/5027; B65D2517/5072; B65D2517/5083
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
214 words
A non-returnable packing container having at least one substantially plane end wall, a pouring opening provided in said end wall, an inner cover strip affixed to the inside of said end wall to cover the pouring opening, a longitudinal outer cover strip disposed over the pouring opening against the outside of said end wall, said outer cover strip being affixed to said inner cover strip in the area of the pouring opening by a strong seal joint, said outer cover strip being affixed to the outside of said end wall along longitudinal sealing zones on opposed sides of and spaced from the edge of the pouring opening, said outer cover strip having two substantially parallel lines of perforations located on opposed sides of the pouring opening between the edge of the pouring opening and said longitudinal sealing zones, said longitudinal outer cover strip being affixed by a strong seal joint at one end thereof to said end wall along a sealing zone which extends transversely of the lines of perforation, whereby said outer cover strip will normally remain affixed to said end wall after opening the packing contaIner by lifting said outer cover strip and tearing along said lines of perforation to remove the inner cover strip in the area of the pouring opening.
Claim 2
Dependent Claim
214 words
A non-returnable packing container having at least one substantially plane end wall, a pouring opening provided in said end wall, an inner cover strip affixed to the inside of said end wall to cover the pouring opening, a longitudinal outer cover strip disposed over the pouring opening against the outside of said end wall, said outer cover strip being affixed to said inner cover strip in the area of the pouring opening by a strong seal joint, said outer cover strip being affixed to the outside of said end wall along longitudinal sealing zones on opposed sides of and spaced from the edge of the pouring opening, said outer cover strip having two substantially parallel lines of perforations located on opposed sides of the pouring opening between the edge of the pouring opening and said longitudinal sealing zones, said longitudinal outer cover strip being affixed by a strong seal joint at one end thereof to said end wall along a sealing zone which extends transversely of the lines of perforation, whereby said outer cover strip will normally remain affixed to said end wall after opening the packing contaIner by lifting said outer cover strip and tearing along said lines of perforation to remove the inner cover strip in the area of the pouring opening.
Claim 3
Dependent Claim
49 words
A packing container as claimed in claim 1 wherein the area between the outside of the end wall and the inside of said outer cover strip immediately surrounding the sealed area between said inner and outer cover strips within the pouring opening is in communication with the surrounding atmosphere.
Claim 4
Dependent Claim
30 words
A packing container as claimed in claim 1 wherein said cover strips consist of a laminate material comprising a metal foil layer and at least one layer of adhesive material.
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) | 1978-05-12 | 1978-11-11 | 1979-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-05-12 | 1982-11-11 | 1983-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-05-12 | 1986-11-11 | 1987-05-13 | $7700.00 | Window Closed / Lapsed |