Patent US2479848A successfully refreshed from Google Patents.
Patent US3750820A successfully refreshed from Google Patents.
US3750820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stopper
Assignee: Individual
•
Filing: 1971-04-26
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Granted: 1973-08-07
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Expires: 1991-04-26
Abstract
Abstract A stopper having a circular body surmounted by a substantially cylindrical boss having a diameter distinctly less than that of said body, said stopper comprising a gripping ring accommodated within the annular space thus formed above said body and around said boss, this ring being attached to the body by at least one non-detachable tab.
Inventors
- 👤 M Labarre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:38
CPC Classifications
B; B65; B65D; B65D41/00; B65D41/32; B65D41/325; B65D41/46; B65D41/48; B65D41/485; B65D47/00; B65D47/04; B65D47/06; B65D47/10; B65D47/103; B65D2401/00; B65D2401/15; B65D2401/30
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
154 words
A non-penetrable stopper comprising a circular body, an inner sealing sleeve provided on said body and adapted to be fitted into the mouth of a bottle to be closed, an outer circular skirt on said body and adapted to cover said mouth, base and top portions on the circular skirt, said base portion having a diameter slightly greater than the top portion of the skirt, a thin non-penetrable film defined between the base portion and the top portion of said skirt, a substantially cylindrical coaxial boss, said boss being mounted on the circular body and having a diameter less than that of said body, an annular space defined above said body and around the boss, a gripping ring accommodated in said space, at least one non-detachable tab attached to the gripping ring and said body, said tab being attached to the body at a point situated at the same level as said annular space.
Claim 2
Dependent Claim
154 words
A non-penetrable stopper comprising a circular body, an inner sealing sleeve provided on said body and adapted to be fitted into the mouth of a bottle to be closed, an outer circular skirt on said body and adapted to cover said mouth, base and top portions on the circular skirt, said base portion having a diameter slightly greater than the top portion of the skirt, a thin non-penetrable film defined between the base portion and the top portion of said skirt, a substantially cylindrical coaxial boss, said boss being mounted on the circular body and having a diameter less than that of said body, an annular space defined above said body and around the boss, a gripping ring accommodated in said space, at least one non-detachable tab attached to the gripping ring and said body, said tab being attached to the body at a point situated at the same level as said annular space.
Claim 3
Dependent Claim
36 words
A stopper according to claim 1, comprising an inner latching rib on the base portion of the circular skirt for permanently fixing a part of the stopper on the mouth of the bottle to be closed.
Claim 4
Dependent Claim
38 words
A stopper according to claim 1, wherein the gripping ring is an incomplete ring, first and second ends on said incomplete ring, and first and second tabs for attaching said ends to the circular body of the stopper.
References Cited (Backward Citations)
US2895654A
Cited
US3297184A
Cited
US3434620A
Cited
US3459315A
Cited
US3390805A
Cited
US3462035A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-08-06 | 1977-02-05 | 1977-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-06 | 1981-02-05 | 1981-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-06 | 1985-02-05 | 1985-08-07 | $7700.00 | Window Closed / Lapsed |