US4260065A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unit liquid cup
Assignee: Individual
•
Filing: 1979-08-04
•
Granted: 1981-04-07
•
Expires: 1999-08-04
Abstract
Abstract An injection moulded liquid cup comprising a container whose one end is sealed by a rupturable cap connected to the container via a rupturable tear seam.
Inventors
- 👤 Johannes A. M. van Cromvoirt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:10
CPC Classifications
B; B65; B65D; B65D17/00; B29; B29C; B29C45/00; B29C45/17; B29C45/26; B29C2045/2695
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
97 words
An injection moulded unit liquid cup comprising a substantially cylindrical container being open at one end and having a cover affixed thereto, said cylindrical container tapering at the other end thereof to a cylindrical end portion of lesser diameter and greater wall thickness, and a substantially conical cap having a bead at the larger diameter end thereof and integrally connected to said container at said other end by means of a rupturable tear seam joining said bead and said container, the wall of said cap being thicker than the wall of said container at any part thereof.
Claim 2
Dependent Claim
97 words
An injection moulded unit liquid cup comprising a substantially cylindrical container being open at one end and having a cover affixed thereto, said cylindrical container tapering at the other end thereof to a cylindrical end portion of lesser diameter and greater wall thickness, and a substantially conical cap having a bead at the larger diameter end thereof and integrally connected to said container at said other end by means of a rupturable tear seam joining said bead and said container, the wall of said cap being thicker than the wall of said container at any part thereof.
Claim 3
Dependent Claim
33 words
A unit liquid cup according to claim 1, wherein the container is fitted at said one end with an undercut groove adapted to coact with a correspondingly designed peripheral edge of the cover.
Claim 4
Dependent Claim
38 words
A unit liquid cup according to claim 2, wherein the container is extended at said one end with a portion tapering in cross section, adapted for coaction with the inner side of the peripheral edge of the cover.
References Cited (Backward Citations)
CA578974A
Cited
US862537A
Cited
US2642911A
Cited
US2742202A
Cited
US3272366A
Cited
CA858334A
Cited
DE2129736A1
Cited
US3902617A
Cited
US4131211A
Cited
US4134511A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-04-06 | 1984-10-06 | 1985-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-04-06 | 1988-10-06 | 1989-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-04-06 | 1992-10-06 | 1993-04-07 | $7700.00 | Window Closed / Lapsed |