US4113135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drinking cup cover
Assignee: Individual
•
Filing: 1977-06-06
•
Granted: 1978-09-12
•
Expires: 1997-06-06
Abstract
Abstract A lid for a disposable drinking cup, and which includes a self-closing opening therethrough so that the lid can be retained upon the cup while drinking therefrom, the opening being closable by a flap that is pushed into an opened position by pressure from a person's lip whenever placed thereagainst.
Inventors
- 👤 Takamitsu Yamazaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:29
CPC Classifications
B; B65; B65D; B65D17/00; B65D17/28; B65D17/401; B65D2543/00; B65D2543/00009; B65D2543/00018; B65D2543/00046
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
98 words
A disposable cover for a disposable drinking cup, comprising in combination, a circular disc formed of resilient think plastic, a circular groove on an underside of a periphery of said disc for snap-fitting on an upper edge of said cup, and a generally U-shaped slit on a central area framed by said groove forming a bendable tab, said tab having a hollow, raised rib along a free end edge thereof; said cover including a plurality of said tabs of different widths, a narrower width of said tabs having a higher said rib than a rib of the other.
Claim 2
Dependent Claim
98 words
A disposable cover for a disposable drinking cup, comprising in combination, a circular disc formed of resilient think plastic, a circular groove on an underside of a periphery of said disc for snap-fitting on an upper edge of said cup, and a generally U-shaped slit on a central area framed by said groove forming a bendable tab, said tab having a hollow, raised rib along a free end edge thereof; said cover including a plurality of said tabs of different widths, a narrower width of said tabs having a higher said rib than a rib of the other.
Claim 3
Dependent Claim
108 words
A disposable cover for a disposable drinking cup, comprising in combination, a circular disc formed of resilient thin plastic, a circular groove on an underside of a periphery of disc for snap-fitting on an upper edge of said cup, and a generally U-shaped slit on a central area framed by said groove forming a bendable tab, said tab having a hollow, raised rib along a free end edge thereof; said tab being trifurcated into three tab members, each one of which has one said rib, a center of tab members being widest, and said rib thereof is less high than said rib of the other said tab members.
Claim 4
Dependent Claim
108 words
A disposable cover for a disposable drinking cup, comprising in combination, a circular disc formed of resilient thin plastic, a circular groove on an underside of a periphery of disc for snap-fitting on an upper edge of said cup, and a generally U-shaped slit on a central area framed by said groove forming a bendable tab, said tab having a hollow, raised rib along a free end edge thereof; said tab being trifurcated into three tab members, each one of which has one said rib, a center of tab members being widest, and said rib thereof is less high than said rib of the other said tab members.
Claim 5
Dependent Claim
86 words
A disposable cover for a disposable drinking cup, comprising in combination, a circular disc formed of resilient thin plastic, a circular groove on an underside of a periphery of said disc for snap-fitting on an upper edge of said cup, and a generally U-shaped slit on a central area framed by said groove forming a bendable tab, said tab having a hollow, raised rib along a free end edge thereof; and a shallow rib extending transversely across a bending line between opposite ends of said slit.
Claim 6
Dependent Claim
86 words
A disposable cover for a disposable drinking cup, comprising in combination, a circular disc formed of resilient thin plastic, a circular groove on an underside of a periphery of said disc for snap-fitting on an upper edge of said cup, and a generally U-shaped slit on a central area framed by said groove forming a bendable tab, said tab having a hollow, raised rib along a free end edge thereof; and a shallow rib extending transversely across a bending line between opposite ends of said slit.
Claim 7
Dependent Claim
34 words
The combination as set forth in claim 3, wherein said shallow rib has a widest and deepest portion thereof bridging said bending line while opposite ends of rib are gradually tapered to a point.
References Cited (Backward Citations)
US3208629A
Cited
US3301459A
Cited
US3355058A
Cited
US3410436A
Cited
US3977559A
Cited
US3938695A
Cited
US3927794A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-09-11 | 1982-03-13 | 1982-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-09-11 | 1986-03-13 | 1986-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-09-11 | 1990-03-13 | 1990-09-12 | $7700.00 | Window Closed / Lapsed |