US3558022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container safety closure
Assignee: Abbott Laboratories
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Filing: 1968-06-12
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Granted: 1971-01-26
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Expires: 1988-06-12
Abstract
Abstract A safety closure insertable within the neck of a container and depending a short distance into the container to be used in conjunction with a dropper-dispenser for dispensing liquids from the container. The safety closure is sealed to the container with a flange compressed by the container, the closure having sidewalls depending from said flange along the neck of the container and terminating in a bottom opening and a movable closure element urged into a closed position by spring action.
Inventors
- 👤 Walter J Zytko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:55
CPC Classifications
B; B65; B65D; B65D55/00; B65D55/02; B65D55/04
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
114 words
A safety plug for a container having a neck opening to admit a dropper-dispenser assembly, said plug comprising: a. a tubular member having: 1. a first end suitable for sealing engagement with said neck opening; 2. a circumferential groove about its exterior and adjacent said first end; and 3. a second end locatable within said container; b. movable means hingedly mounted to the tubular member at said second end for sealing engagement therewith; and c. a helical spring encircling said tubular member and having: 1. a terminal turn seated in said groove; and 2. a single turn bearing on said movable means and urging it against said second end and into sealing enGagement therewith.
Claim 2
Dependent Claim
114 words
A safety plug for a container having a neck opening to admit a dropper-dispenser assembly, said plug comprising: a. a tubular member having: 1. a first end suitable for sealing engagement with said neck opening; 2. a circumferential groove about its exterior and adjacent said first end; and 3. a second end locatable within said container; b. movable means hingedly mounted to the tubular member at said second end for sealing engagement therewith; and c. a helical spring encircling said tubular member and having: 1. a terminal turn seated in said groove; and 2. a single turn bearing on said movable means and urging it against said second end and into sealing enGagement therewith.
Claim 3
Dependent Claim
12 words
a circumferential groove about its exterior and adjacent said first end; and
Claim 4
Dependent Claim
12 words
a circumferential groove about its exterior and adjacent said first end; and
Claim 5
Dependent Claim
20 words
a single turn bearing on said movable means and urging it against said second end and into sealing enGagement therewith.
Claim 6
Dependent Claim
20 words
a single turn bearing on said movable means and urging it against said second end and into sealing enGagement therewith.
Claim 7
Dependent Claim
21 words
A plug according to claim 1 wherein said single turn is of a smaller diameter than other turns of said spring.
Claim 8
Dependent Claim
25 words
A safety plug according to claim 1 wherein said movable means has a substantially planar exterior surface and said single turn bears on said surface.
Claim 9
Dependent Claim
35 words
a second end locatable within said container; b. movable means hingedly mounted to the tubular member at said second end for sealing engagement therewith; and c. a helical spring encircling said tubular member and having:
Claim 10
Dependent Claim
35 words
a second end locatable within said container; b. movable means hingedly mounted to the tubular member at said second end for sealing engagement therewith; and c. a helical spring encircling said tubular member and having:
Claim 11
Dependent Claim
63 words
A safety plug for a container having a neck opening and an adjacent interior surface; said plug comprising a tubular member having a first end engageable with said neck opening and a second end locatable within said container; a jaw member of larger diameter than said neck opening hinged to said second end and adapted to engage said container surface in sealable relation.
Claim 12
Dependent Claim
63 words
A safety plug for a container having a neck opening and an adjacent interior surface; said plug comprising a tubular member having a first end engageable with said neck opening and a second end locatable within said container; a jaw member of larger diameter than said neck opening hinged to said second end and adapted to engage said container surface in sealable relation.
Claim 13
Dependent Claim
20 words
A safety plug of claim 4 including a spring transverse said jaw member to urge said jaw into sealing position.
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) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |