US3998348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nursing bottle
Assignee: Individual
•
Filing: 1975-08-15
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Granted: 1976-12-21
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Expires: 1995-08-15
Abstract
Abstract A nursing bottle assembly includes a bottle having a closed end and an open end with a nipple being disposed over the open end. A flexible bag within the bottle has an open end secured to the open end of the bottle. The flexible bag which has its lower end disposed within the bottle is adapted to receive the liquid to be dispensed. Biasing means are provided to create a biasing force on the flexible bag to maintain a positive pressure on the liquid in the flexible bag as the liquid is dispensed through the nipple.
Inventors
- 👤 Michael Sammaritano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:46
CPC Classifications
A; A61; A61J; A61J11/00; A61J11/02; A61J9/00; A61J9/001
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
137 words
A nursing bottle assembly comprising a bottle having a closed end and an open end, a nipple disposed over the open end of said bottle, a flexible bag disposed within said bottle, said flexible bag having an open end secured to the open end of the bottle, said flexible bag having a lower end disposed within the bottle and being adapted to receive liquid, biasing means creating a biasing force on said flexible bag tending to maintain a positive pressure on the liquid in said flexible bag as such liquid is dispensed through said nipple, said biasing means comprising a roller assembly, said lower end of said flexible bag being secured to said roller assembly, and means on said bottle for guiding said roller assembly for longitudinal displacement as the liquid in said flexible bag is dispensed.
Claim 2
Dependent Claim
137 words
A nursing bottle assembly comprising a bottle having a closed end and an open end, a nipple disposed over the open end of said bottle, a flexible bag disposed within said bottle, said flexible bag having an open end secured to the open end of the bottle, said flexible bag having a lower end disposed within the bottle and being adapted to receive liquid, biasing means creating a biasing force on said flexible bag tending to maintain a positive pressure on the liquid in said flexible bag as such liquid is dispensed through said nipple, said biasing means comprising a roller assembly, said lower end of said flexible bag being secured to said roller assembly, and means on said bottle for guiding said roller assembly for longitudinal displacement as the liquid in said flexible bag is dispensed.
Claim 3
Dependent Claim
62 words
A nursing bottle according to claim 1 wherein said roller assembly includes a cylinder on which the end of said flexible bag is secured, a plug means rotatably mounted on said roller assembly, and spring means extending between said plug means and said cylinder so that a rotational biasing force is adopted to be created between said cylinder and said plug means.
Claim 4
Dependent Claim
56 words
A nursing bottle according to claim 1 wherein said bottle is provided with two longitudinal channels, said roller assembly having guide members at the longitudinal ends thereof accommodated with said channels such that said roller assembly is adapted to be displaced along the length of said bottle as said guide members are guided in said channels.
Claim 5
Dependent Claim
35 words
A nursing bottle according to claim 3 wherein one of said guide members is received in one of said channels to preclude rotation of said guide member as the latter is displaced along said channel.
Claim 6
Dependent Claim
126 words
A nursing bottle according to claim 3 wherein said biasing means further comprises a release ring, a circumferential channel within the inner wall of said bottle for rotatably receiving said ring, said ring having a pair of opposed grooves, said ring having at least two rotational positions wherein in one position, said grooves are aligned with said channels in said bottle and in a second position, said grooves are displaced from alignment with said channels, said release ring being disposed at a position such that said roller assembly guide members may be disposed in the lower portion of said bottle and said release ring is turned to said second position to prevent said roller assembly guide members from passing upwardly in said channels in the bottle.
Claim 7
Dependent Claim
56 words
A nursing bottle according to claim 5 further comprising at least one opening in the sidewall of said bottle, said release ring having at least one projection passing through said opening in said bottle, whereby said projection is adapted to be grasped by a person's hand to manually rotate said ring from outside of said bottle.
Claim 8
Dependent Claim
68 words
A nursing bottle according to claim 1 wherein said flexible bag has a closed end which is secured to said roller assembly and wherein said open end of said bag is draped around the open longitudinal end of said bottle, said nipple also being disposed over the open end of said bottle and securing said open end of said flexible bag over the open end of said bottle.
Claim 9
Dependent Claim
56 words
A nursing bottle according to claim 1 wherein said flexible bag has an extending portion secured to the open end of the flexible bag by perforations, said extending portion being adapted to facilitate assembly of said flexible bag within said bottle and being adapted to being separated from the main portion of the bag after assembly.
Claim 10
Dependent Claim
67 words
A nursing bottle according to claim 1 wherein said nipple comprises a central opening and an air release passage extending from said central opening to a lateral opening in the side of said nipple, said air release passage including a one-way valve therein providing for one way flow from said central opening in said nipple to said lateral opening in the nipple while preventing reverse flow thereof.
Claim 11
Dependent Claim
45 words
A nursing bottle according to claim 9 wherein said nipple includes a downwardly extending conduit on which said one way valve is integrally formed, said air release passage being detachably mounted on said conduit and to a lateral opening in the side of said nipple.
Claim 12
Dependent Claim
27 words
A nursing bottle according to claim 10 wherein said nipple is provided with a plurality of liquid intake holes disposed about the central opening in said nipple.
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) | 1979-12-21 | 1980-06-21 | 1980-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-12-21 | 1984-06-21 | 1984-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-12-21 | 1988-06-21 | 1988-12-21 | $7700.00 | Window Closed / Lapsed |