Patent US3722728A successfully refreshed from Google Patents.
US3722728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nursing device
Assignee: Fujimoto Brothers Co Ltd
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Filing: 1971-08-26
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Granted: 1973-03-27
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Expires: 1991-08-26
Abstract
Abstract A nursing device which consists of a bottle, a main nipple body with an aperture for extrusion of milk, a grooved flange member having tubular extensions integrally formed therewith and extending from the underface thereof, an air control ring with a central hole for receiving the main nipple body, the periphery of which fits the groove of the flange and solid grooved protrusions extending from the underside of said air control ring for corresponding relation to the tubular members of the flange of the main nippled body, and a fastening ring to secure the main body and air control ring combination to the mouth of the bottle.
Inventors
- 👤 S Yazaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:02
CPC Classifications
A; A61; A61J; A61J11/00; A61J11/001; A61J11/02
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
101 words
A nursing device comprised of a bottle with a mouth, a main nipple body with an aperture for extrusion of milk and a grooved flange member having at least one tubular extension integrally formed therewith and extending from the undersurface thereof, an air control ring with a central hole for receiving the main nipple body and a periphery which fits the groove of the flange, and at least one grooved protrusion extending from the underside of said air control ring located in a position corresponding to the tubular member on the flange of the main nipple body, and a fastening ring.
Claim 2
Dependent Claim
101 words
A nursing device comprised of a bottle with a mouth, a main nipple body with an aperture for extrusion of milk and a grooved flange member having at least one tubular extension integrally formed therewith and extending from the undersurface thereof, an air control ring with a central hole for receiving the main nipple body and a periphery which fits the groove of the flange, and at least one grooved protrusion extending from the underside of said air control ring located in a position corresponding to the tubular member on the flange of the main nipple body, and a fastening ring.
Claim 3
Dependent Claim
35 words
A nursing device according to claim 1 wherein any protrusion groove extends longitudinally from the lower end of said protrusion and along the under face of the air control ring and is triangular in section.
Claim 4
Dependent Claim
58 words
A nursing device according to claim 1 wherein the tubular extension is open at both ends, an elastic film extends from the end of the tubular extensions, and when the protrusions on the under face of said air control ring are fitted into said tubular extensions, the elastic film covers the end of the groove in said protrusion.
Claim 5
Dependent Claim
79 words
A nursing device according to claim 1, wherein the tubular extension is closed at its distal end and formed with a radially extending cut line above said closed end, and when the protrusion or the under face of said air control ring is fitted into said tubular extension which is closed at its distal end, said cut line extends across the groove in said protrusion with the cut line portion of said tubular extension elastically covering said grooved protrusion.
Claim 6
Dependent Claim
79 words
The nursing device according to claim 1 wherein the groove in the main nipple body is defined by the flange and a projection disposed thereabove so as to receive therein the inner peripheral portion of said air control ring in fitting engagement such that the fastening ring presses the air control ring against the flange of the nipple main body and the underlying mouth of the bottle when the fastening ring is secured to the mouth of the bottle.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-03-26 | 1976-09-25 | 1977-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-26 | 1980-09-25 | 1981-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-26 | 1984-09-25 | 1985-03-27 | $7700.00 | Window Closed / Lapsed |