US3768683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Baby bottle
Assignee: Lee Raymond Organization Inc
•
Filing: 1971-12-28
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Granted: 1973-10-30
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Expires: 1991-12-28
Abstract
Abstract An air valve in the bottom of a baby bottle manually admits air into the bottom of the bottle.
Inventors
- 👤 Den Bosch J Van
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:49
CPC Classifications
A; A61; A61J; A61J9/00; A61J9/04
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
66 words
A baby bottle having a top adapted to be affixed to a nipple and a bottom, said baby bottle comprising an air valve in the bottom for manually admitting air into the bottom of the bottle, an externally threaded collar extending from the bottom of the bottle a sufficient distance to cover the air valve; and an internally threaded bottle cap threadedly coupled to the collar.
Claim 2
Dependent Claim
66 words
A baby bottle having a top adapted to be affixed to a nipple and a bottom, said baby bottle comprising an air valve in the bottom for manually admitting air into the bottom of the bottle, an externally threaded collar extending from the bottom of the bottle a sufficient distance to cover the air valve; and an internally threaded bottle cap threadedly coupled to the collar.
Claim 3
Dependent Claim
50 words
A baby bottle as claimed in claim 1, wherein the valve comprises an aperture formed through the bottom of the bottle, a plunger extending through the aperture and a spring on the plunger maintaining the plunger in closed position in the absence of manual pressure to keep the bottom closed.
Claim 4
Dependent Claim
73 words
A baby bottle as claimed in claim 2, wherein the plunger of the valve is of substantially cylindrical configuration having a cap at each end of greater diameter than the remainder of the cylinder, one cap being inside the bottle and the other cap being outside the bottle, and one end of the spring abuts the cap outside the bottle and the other end of the spring abuts the bottom of the bottle.
Claim 5
Dependent Claim
33 words
A baby bottle as claimed in claim 3, further comprising a coaxially positioned rubber washer on the plunger of the valve between the cap inside the bottle and the bottom of the bottle.
References Cited (Backward Citations)
US297174A
Cited
US1827100A
Cited
US1732126A
Cited
US2084099A
Cited
US2529794A
Cited
US2493380A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-10-29 | 1977-04-30 | 1977-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-29 | 1981-04-30 | 1981-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-29 | 1985-04-30 | 1985-10-30 | $7700.00 | Window Closed / Lapsed |