US3554399A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Infant feeding unit
Assignee: Dave Chapman Goldsmith and Yamasaki Inc
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Filing: 1968-06-14
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Granted: 1971-01-12
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Expires: 1988-06-14
Abstract
Abstract An infant feeding unit comprises a flexible tube having a nipple and overlying removable cap hermetically sealed thereto. The inner surface of the cap conforms to the outer surface of the nipple which is injection molded directly into the cap thereby assuring that the nipple remains in an aseptic condition until the cap is removed.
Inventors
- 👤 Dave Chapman
- 👤 Douglas W Anderson
- 👤 Joseph E Phalon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:52
CPC Classifications
A; A61; A61J; A61J11/00
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
125 words
A tamperproof dispensing device and closure, comprising: a container having an opening at one end; a nozzle member having a depending skirt extending into said opening; said container being sealingly bonded to the outer periphery of said skirt; an annular enlargement on said nozzle disposed adjacent to the portion of said container defining said opening; an imperforate sealing and protective cover member positioned over said nozzle member; said cover member having an annular skirt portion embedded in said annular enlargement on said nozzle to fixedly secure said skirt portion to said nozzle member; said cover member having an annular line of weakness disposed in proximity to said skirt portion; and the entire inner surface of said cover being in intimate contact with said nozzle member.
Claim 2
Dependent Claim
125 words
A tamperproof dispensing device and closure, comprising: a container having an opening at one end; a nozzle member having a depending skirt extending into said opening; said container being sealingly bonded to the outer periphery of said skirt; an annular enlargement on said nozzle disposed adjacent to the portion of said container defining said opening; an imperforate sealing and protective cover member positioned over said nozzle member; said cover member having an annular skirt portion embedded in said annular enlargement on said nozzle to fixedly secure said skirt portion to said nozzle member; said cover member having an annular line of weakness disposed in proximity to said skirt portion; and the entire inner surface of said cover being in intimate contact with said nozzle member.
Claim 3
Dependent Claim
21 words
A tamperproof dispensing device and closure according to claim 1, wherein said container is tubular and formed of a flexible plastic.
Claim 4
Dependent Claim
27 words
A tamperproof dispensing device and closure according to claim 1, wherein said nozzle member is formed of an elastomeric material in the shape of a nursing nipple.
Claim 5
Dependent Claim
29 words
A tamperproof dispensing device and closure according to claim 3, wherein: said cover member is formed of a hard material; and said nozzle is directly molded into said cover.
Claim 6
Dependent Claim
53 words
A tamperproof dispensing device and closure according to claim 3, wherein: said nozzle member has a protrusion forming a tab on the outer surface thereof and a small recess on the inner surface extending into said tab; whereby said tab may be broken away to provide a feeding orifice in said nozzle member.
Claim 7
Dependent Claim
19 words
A tamperproof dispensing device and closure according to claim 5, wherein said tab extends completely through said cover member.
References Cited (Backward Citations)
US2531570A
Cited
US3219221A
Cited
US3253726A
Cited
US3301423A
Cited
US3432059A
Cited
FR1509197A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |