US4442944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Saturated polyester resin bottle and stand
Assignee: Yoshino Kogyosho Co Ltd
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Filing: 1982-09-23
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Granted: 1984-04-17
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Expires: 2002-09-23
Abstract
Abstract The present invention relates to a saturated polyester resin bottle with a spherically-shaped bottom so that the bottle can be filled with liquid under a relatively high pressure. The bottle includes adjacent its bottom a reduced diameter portion shaped for receiving a cylindrical bottle stand which provides a flat base for supporting the bottle in an upright position.
Inventors
- 👤 Yataro Yoshino
- 👤 Takami Tsukada
- 👤 Tadao Saito
- 👤 Takamitsu Nozawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:15
CPC Classifications
B; B65; B65D; B65D23/00; B65D23/001
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
154 words
In combination: a bottle and a stand, said bottle comprising a body portion and a bottom, said body portion including at its top an opening and connecting at its lower most end to said bottom, said bottom being hemispherical in shape and of smaller diameter than said body portion whereby a step is defined where said bottom meets said body portion; said stand comprising an inside surface and an outside surface, said inside surface receiving said bottom, said outside surface having an upper circumference at least equal to said body portion and a narrower lower circumference said inside surface having an upper circumference at least equal to said bottom portion and a narrower lower circumference and defining between said inside upper circumference and said inside lower circumference more than two right-angled stepped shoulders such that said bottle rests in point line contact only with the corners of at least two of said stepped shoulders.
Claim 2
Dependent Claim
154 words
In combination: a bottle and a stand, said bottle comprising a body portion and a bottom, said body portion including at its top an opening and connecting at its lower most end to said bottom, said bottom being hemispherical in shape and of smaller diameter than said body portion whereby a step is defined where said bottom meets said body portion; said stand comprising an inside surface and an outside surface, said inside surface receiving said bottom, said outside surface having an upper circumference at least equal to said body portion and a narrower lower circumference said inside surface having an upper circumference at least equal to said bottom portion and a narrower lower circumference and defining between said inside upper circumference and said inside lower circumference more than two right-angled stepped shoulders such that said bottle rests in point line contact only with the corners of at least two of said stepped shoulders.
Claim 3
Dependent Claim
55 words
A hollow stand for use with a bottle, said stand comprising an upper circumference and a lower circumference, said lower circumference being narrower than said upper circumference; and side walls lying between said upper and lower circumference, said side walls defining a plurality of right-angled stepped shoulders which support in point line contact a container.
Claim 4
Dependent Claim
55 words
A hollow stand for use with a bottle, said stand comprising an upper circumference and a lower circumference, said lower circumference being narrower than said upper circumference; and side walls lying between said upper and lower circumference, said side walls defining a plurality of right-angled stepped shoulders which support in point line contact a container.
Claim 5
Dependent Claim
59 words
A stand according to claim 1 wherein said upper circumference defines the top of said stand and said lower circumference defines the bottom of said stand, said lower circumference defining in its center a reentrent having side walls and a top wall, said top wall corresponding in shape to the bottom of a bottle which rests in said stand.
Claim 6
Dependent Claim
59 words
A stand according to claim 2 wherein said upper circumference defines the top of said stand and said lower circumference defines the bottom of said stand, said lower circumference defining in its center a reentrent having side walls and a top wall, said top wall corresponding in shape to the bottom of a bottle which rests in said stand.
Claim 7
Dependent Claim
32 words
A stand according to claim 4 wherein the side walls of said reentrent form an acute angle with said lower circumference and define in their surface a plurality of right-angled stepped shoulders.
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) | 1987-04-17 | 1987-10-17 | 1988-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-04-17 | 1991-10-17 | 1992-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-04-17 | 1995-10-17 | 1996-04-17 | $7700.00 | Window Closed / Lapsed |