US4815615A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Infant feeding system
Assignee: ROYAL IND THAILAND CO Ltd
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Filing: 1987-12-18
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Granted: 1989-03-28
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Expires: 2007-12-18
Abstract
Abstract System for feeding infants, consisting of disposable nipples and including flexible milk bags stored in a tubular casing.
Inventors
- 👤 Vichai Phlaphongphanich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:32
CPC Classifications
A; A61; A61J; A61J11/00; A61J11/04; A61J11/0075; A61J11/008; A61J9/00; A61J9/001
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
124 words
Infant feeding system, comprising: (a) a casing in the form of a tube having upper and lower open ends, the tube having an externally threaded reduced portion at the upper end, the reduced portion having a bore that is substantially smaller than the bore in the remainder of the tube, (b) a ring having a tubular skirt with internal threads that mate with the external threads of the casing, the ring having a tubular portion extending concentrically of and spaced inwardly of the skirt, and (c) a milk bag having an open end fitting tightly around the said tubular portion and extending downwardly within the casing through substantially its entire length, wherein a nipple unit is provided to engage the ring in liquid-tight relationship.
Claim 2
Dependent Claim
124 words
Infant feeding system, comprising: (a) a casing in the form of a tube having upper and lower open ends, the tube having an externally threaded reduced portion at the upper end, the reduced portion having a bore that is substantially smaller than the bore in the remainder of the tube, (b) a ring having a tubular skirt with internal threads that mate with the external threads of the casing, the ring having a tubular portion extending concentrically of and spaced inwardly of the skirt, and (c) a milk bag having an open end fitting tightly around the said tubular portion and extending downwardly within the casing through substantially its entire length, wherein a nipple unit is provided to engage the ring in liquid-tight relationship.
Claim 3
Dependent Claim
109 words
Infant feeding system, comprising: (a) a casing in the form of an elongated tube having upper and lower ends, the tube defining a bore, and (b) a plurality of disposable units carried in the bore, each unit including a ring, milk bag, and nipple, wherein the ring has a cylindrical outer surface that is slidably carried in the bore and wherein the bag is compressed to occupy a small surface, wherein the casing has an externally threaded reduced portion at one end, and wherein the ring has an internally threaded skirt defining the said cylindrical surface, which skirt can be threaded on the said reduced portion of the casing.
Claim 4
Dependent Claim
109 words
Infant feeding system, comprising: (a) a casing in the form of an elongated tube having upper and lower ends, the tube defining a bore, and (b) a plurality of disposable units carried in the bore, each unit including a ring, milk bag, and nipple, wherein the ring has a cylindrical outer surface that is slidably carried in the bore and wherein the bag is compressed to occupy a small surface, wherein the casing has an externally threaded reduced portion at one end, and wherein the ring has an internally threaded skirt defining the said cylindrical surface, which skirt can be threaded on the said reduced portion of the casing.
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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) | 1992-03-27 | 1992-09-26 | 1993-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-03-27 | 1996-09-26 | 1997-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-03-27 | 2000-09-26 | 2001-03-28 | $7700.00 | Window Closed / Lapsed |