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US4234097A Expired / Lapsed US ⏱️ 0.0 years remaining

Serving plate set or the like

Assignee: Dart Industries Inc
•
Filing: 1979-12-10
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Granted: 1980-11-18
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Expires: 1999-12-10
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Abstract

Abstract A serving plate set having two similar receptacles which in one form is separated by a sealing member that segregates the receptacle contents, such member also being of a plate-like configuration and which in another form employs the two receptacles to create a closured container.

Inventors

  • 👤 Robert H. C. M. Daenen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 09:50
CPC Classifications
A; A47; A47G; A47G19/00; A47G19/30; Y; Y10; Y10S; Y10S206/00; Y10S206/821

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 217 words
A plate set comprising a first plate having a bottom wall and upstanding peripheral walls terminating at an upper edge, a seal plate having a top wall and integral downwardly extending peripheral walls terminating at a lower edge, a flange integral with and extending outwardly from said lower edge, a first rim wall integral with and extending downwardly from said flange, and a second rim wall integral with and extending upwardly from said flange, and slightly offset from said first rim wall, said upper edge having an outer diameter greater than an inner diameter of an inner face of said first rim wall, the upper edge of the first plate being engaged in a liquid tight seal against the inner face of said first rim wall, said first plate and said seal plate being separable from each other and adapted to container consumables when the first plate and the seal plate are sealed together and a second plate having a bottom wall and upstanding peripheral walls terminating at a second upper edge which edge is in engagement with an inner face of said second rim said engaged upper edge and inner face providing a bending moment force for providing a liquid seal between the inner face of said second upper rim wall and said second upper edge.
Claim 2
Dependent Claim 217 words
A plate set comprising a first plate having a bottom wall and upstanding peripheral walls terminating at an upper edge, a seal plate having a top wall and integral downwardly extending peripheral walls terminating at a lower edge, a flange integral with and extending outwardly from said lower edge, a first rim wall integral with and extending downwardly from said flange, and a second rim wall integral with and extending upwardly from said flange, and slightly offset from said first rim wall, said upper edge having an outer diameter greater than an inner diameter of an inner face of said first rim wall, the upper edge of the first plate being engaged in a liquid tight seal against the inner face of said first rim wall, said first plate and said seal plate being separable from each other and adapted to container consumables when the first plate and the seal plate are sealed together and a second plate having a bottom wall and upstanding peripheral walls terminating at a second upper edge which edge is in engagement with an inner face of said second rim said engaged upper edge and inner face providing a bending moment force for providing a liquid seal between the inner face of said second upper rim wall and said second upper edge.

References Cited (Backward Citations)

US1542115A Cited
US1908806A Cited
US2217644A Cited
US3143205A Cited
US3360153A Cited
US3412888A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1983-11-18 1984-05-19 1984-11-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1987-11-18 1988-05-19 1988-11-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1991-11-18 1992-05-19 1992-11-18 $7700.00 Window Closed / Lapsed

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