Patent US3563374A successfully refreshed from Google Patents.
US3563374A
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Combined package for, and containing tetrahedral containers
Assignee: Tetra Pak AB
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Filing: 1968-12-26
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Granted: 1971-02-16
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Expires: 1988-12-26
Abstract
Abstract Combined package for tetrahedral containers and the blank therefor which is the shape of a pyramid and has flaps integral therewith which secure the tetrahedron containers therein after packaging.
Inventors
- 👤 Inge Lennart Carlsson
- 👤 Lars-Goran Andersson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:43
CPC Classifications
B; B65; B65D; B65D85/00; B65D85/54; B65D85/542; Y; Y10; Y10S; Y10S52/00; Y10S52/10
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
48 words
A combined package of tetrahedral containers comprising: a pyramid shaped bottom portion divided into a plurality of substantially equal triangles, a tetrahedron supported on each of said triangles and flap means connected to said triangles and operably associated therewith, said flap means retaining said tetrahedrons on said triangles.
Claim 2
Dependent Claim
48 words
A combined package of tetrahedral containers comprising: a pyramid shaped bottom portion divided into a plurality of substantially equal triangles, a tetrahedron supported on each of said triangles and flap means connected to said triangles and operably associated therewith, said flap means retaining said tetrahedrons on said triangles.
Claim 3
Dependent Claim
20 words
The structure of claim 1 wherein said flap means are flaps cut out of said triangles and integrally connected thereto.
Claim 4
Dependent Claim
23 words
The structure of claim 2 wherein the area of each of said flaps is less than the area of each of said triangles.
Claim 5
Dependent Claim
16 words
The structure of claim 3 wherein said bottom portion contains only six triangles and six tetrahedrons.
Claim 6
Dependent Claim
17 words
The structure of claim 1 wherein each of said triangles are isosceles having substantially equal central angles.
References Cited (Backward Citations)
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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) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |