US3709397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Butter container or the like
Assignee: Dart Industries Inc
•
Filing: 1969-03-18
•
Granted: 1973-01-09
•
Expires: 1989-03-18
Abstract
Abstract This invention is primarily directed to a supporting container or base for butter or the like that includes a recessed surface portion surrounded by a peripheral outwardly extending ledge and outside sealing surface adapted to mate with a cover having peripheral dimensions suitable to produce tapered fit between the two mating surfaces.
Inventors
- 👤 R Daenen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:48
CPC Classifications
A; A47; A47G; A47G19/00; A47G19/26
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
105 words
A storage container adapted to hold consumable food-stuff and the like and comprising: a base having a recessed inner surface integral with an upwardly extending side wall, said side wall being further characterized by an outwardly extending ledge and downwardly projecting sealing wall that terminates in an upwardly curved flange integral with said sealing wall; a cover having a top wall and side walls, said side walls including a contact area that is adapted to sealably engage the exterior surface of said sealing wall and which area is further supported by an outwardly extending peripheral flange positioned proximate the uppermost portion of said contact area.
Claim 2
Dependent Claim
105 words
A storage container adapted to hold consumable food-stuff and the like and comprising: a base having a recessed inner surface integral with an upwardly extending side wall, said side wall being further characterized by an outwardly extending ledge and downwardly projecting sealing wall that terminates in an upwardly curved flange integral with said sealing wall; a cover having a top wall and side walls, said side walls including a contact area that is adapted to sealably engage the exterior surface of said sealing wall and which area is further supported by an outwardly extending peripheral flange positioned proximate the uppermost portion of said contact area.
Claim 3
Dependent Claim
112 words
A vapor-tight plastic container of a rectangular cross-sectional configuration for storing perishables and the like comprising: a base including a circumferential ledge from which extend downwardly directed side walls and a sealing wall substantially separated from said side walls, said side walls being integrally attached to an inner surface that is recessed with respect to said ledge and said sealing wall terminating in an upwardly curved handle-like flange; and, a box-shaped cover having integral top and side walls, said side walls including an inner contact area that sealably engages said sealing wall of the base and further including an outwardly extending peripheral flange positioned proximate the uppermost portion of said contact area.
Claim 4
Dependent Claim
112 words
A vapor-tight plastic container of a rectangular cross-sectional configuration for storing perishables and the like comprising: a base including a circumferential ledge from which extend downwardly directed side walls and a sealing wall substantially separated from said side walls, said side walls being integrally attached to an inner surface that is recessed with respect to said ledge and said sealing wall terminating in an upwardly curved handle-like flange; and, a box-shaped cover having integral top and side walls, said side walls including an inner contact area that sealably engages said sealing wall of the base and further including an outwardly extending peripheral flange positioned proximate the uppermost portion of said contact area.
References Cited (Backward Citations)
US2765831A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-01-09 | 1976-07-10 | 1977-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-09 | 1980-07-10 | 1981-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-09 | 1984-07-10 | 1985-01-09 | $7700.00 | Window Closed / Lapsed |