US3695475A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Child-proof closure
Assignee: Continental Can Co Inc
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Filing: 1971-06-15
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Granted: 1972-10-03
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Expires: 1991-06-15
Abstract
Abstract A child-proof snap-on closure for a container, the container pouring lip and the closure skirt including upper opposed beads retaining the closure on the container. The container neck and the closure skirt including lower spaced opposed threads for removal of the snap-on closure. The threaded lower skirt portion being flexible around its entire periphery and deflectable inwardly at generally diametrically opposed points to engage the threaded neck portion where upon relative rotation, the threaded skirt is driven upwardly on the threaded neck, thus forcing the skirt bead upwardly over the pouring lip bead to remove the closure.
Inventors
- 👤 Herbert S Ruekberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:22
CPC Classifications
B; B65; B65D; B65D50/00; B65D50/02; B65D50/04; B65D50/045; B65D50/048
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
151 words
A snap-on closure for a container having a threaded neck portion and an upper pouring lip, said pouring lip and said threaded neck portion being separated by a circumferential annular groove, which comprises: a top panel having a skirt extending downwardly therefrom; said skirt including an upper portion having an internal annular bead for engagement with said groove when said bead is snapped on over said pouring lip; said skirt including a lower portion having at least one circumferential internal thereon, said thread being radially spaced from said threaded neck portion and engageable therewith for prying off said closure; and said lower skirt portion being circumferentially flexible whereby being flexed radially inwardly at generally diametrically opposed points into engagement with said threaded neck portion and relative rotation of said closure and said container said skirt is driven upwardly on said threaded neck portion to pry off said closure from said container.
Claim 2
Dependent Claim
151 words
A snap-on closure for a container having a threaded neck portion and an upper pouring lip, said pouring lip and said threaded neck portion being separated by a circumferential annular groove, which comprises: a top panel having a skirt extending downwardly therefrom; said skirt including an upper portion having an internal annular bead for engagement with said groove when said bead is snapped on over said pouring lip; said skirt including a lower portion having at least one circumferential internal thereon, said thread being radially spaced from said threaded neck portion and engageable therewith for prying off said closure; and said lower skirt portion being circumferentially flexible whereby being flexed radially inwardly at generally diametrically opposed points into engagement with said threaded neck portion and relative rotation of said closure and said container said skirt is driven upwardly on said threaded neck portion to pry off said closure from said container.
Claim 3
Dependent Claim
20 words
The snap-on closure as recited in claim 1 wherein said internal thread comprises a pair Of diametrically opposite thread segments.
Claim 4
Dependent Claim
79 words
A snap-on closure for a container having a pouring lip with a radially extending annular bead thereon and a screw threaded neck below said pouring lip, which comprises: a top panel having a downwardly extending skirt; said skirt including an internally annularly beaded upper portion engageable with said pouring lip bead for snap-on attachment to said container and an internally threaded lower portion having at least one complete thread thereon for pry-off removal therefrom, said closure from said container.
Claim 5
Dependent Claim
79 words
A snap-on closure for a container having a pouring lip with a radially extending annular bead thereon and a screw threaded neck below said pouring lip, which comprises: a top panel having a downwardly extending skirt; said skirt including an internally annularly beaded upper portion engageable with said pouring lip bead for snap-on attachment to said container and an internally threaded lower portion having at least one complete thread thereon for pry-off removal therefrom, said closure from said container.
Claim 6
Dependent Claim
19 words
The snap-on closure as recited in claim 3 wherein said thread comprises a pair of diametrically opposite thread segments.
Claim 7
Dependent Claim
166 words
The combination which comprises: a container and a closure therefor; said container having a neck with external threads thereon and a pouring lip at its outer and upper end; said external threads and said pouring lip being separated by a circumferential annular groove; said closure having a top panel for abutting and engagement with said pouring lip and a downwardly extending skirt with an internally annularly beaded upper portion for engagement with said groove when said bead is snapped on over said pouring lip and an internally threaded lower portion having at least one circumferential thread thereon and being radially spaced from said threaded neck portion and engageable therewith for prying off said closure; said lower skirt portion being circumferentially flexible whereby upon being flexed radially inwardly at generally diametrically opposed points into engagement with said threaded neck portion and relative rotation of said closure and said container said skirt is driven upwardly on said threaded neck portion to pry off said closure from said container.
Claim 8
Dependent Claim
166 words
The combination which comprises: a container and a closure therefor; said container having a neck with external threads thereon and a pouring lip at its outer and upper end; said external threads and said pouring lip being separated by a circumferential annular groove; said closure having a top panel for abutting and engagement with said pouring lip and a downwardly extending skirt with an internally annularly beaded upper portion for engagement with said groove when said bead is snapped on over said pouring lip and an internally threaded lower portion having at least one circumferential thread thereon and being radially spaced from said threaded neck portion and engageable therewith for prying off said closure; said lower skirt portion being circumferentially flexible whereby upon being flexed radially inwardly at generally diametrically opposed points into engagement with said threaded neck portion and relative rotation of said closure and said container said skirt is driven upwardly on said threaded neck portion to pry off said closure from said container.
Claim 9
Dependent Claim
18 words
The combination as recited in claim 5 wherein said thread comprises a pair of diametrically opposite thread segments.
Claim 10
Dependent Claim
38 words
The combination as recited in claim 5 wherein said container comprises a body having an upper annular shoulder and said neck extending outwardly therefrom and wherein said snapped-on skirt includes a bottom annular surface closely opposing said shoulder.
Claim 11
Dependent Claim
18 words
The combination as recited in claim 7 wherein said thread comprises a pair of diametrically opposite thread segments.
References Cited (Backward Citations)
US2752060A
Cited
US3371808A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-03 | 1976-04-03 | 1976-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-03 | 1980-04-03 | 1980-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-03 | 1984-04-03 | 1984-10-03 | $7700.00 | Window Closed / Lapsed |