Patent US4850504A successfully refreshed from Google Patents.
US4850504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring ring easy-open positive-reclose hermetic food package
Assignee: Mondelez International Inc
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Filing: 1988-11-03
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Granted: 1989-07-25
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Expires: 2008-11-03
Abstract
Abstract This invention relates to packaging and is more particularly concerned with improvements in a package and method of forming the same in which the meat or perishable food package can be easily opened and reclosed while positively conveying a positive perception to the customer that the package is hermetically sealed before it is opened and that the package is positively resealable. An opening and reclosure cap provides an audible snap as it is opened and a similar audible snap as it is reclosed.
Inventors
- 👤 Paul E. Gindrod
- 👤 Ray H. Griesbach
- 👤 Gerald O. Hustad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:58
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/28; B65D75/30; B65D75/32; B65D75/321; B65D75/322; B65D43/00; B65D43/02; B65D43/0202; B65D43/0204; B65D43/021; B65D2251/00; B65D2251/02; B65D2251/023; B65D2543/00; B65D2543/00009; B65D2543/00018; B65D2543/00064; B65D2543/00074; B65D2543/00092; B65D2543/00259; B65D2543/00296; B65D2543/00444; B65D2543/00481; B65D2543/0049; B65D2543/00509; B65D2543/00537; B65D2543/00546; B65D2543/00592; B65D2543/00601; B65D2543/00611; B65D2543/0062; B65D2543/00675; B65D2543/00685; B65D2543/00712; B65D2543/00722; B65D2543/00731; B65D2543/00787; B65D2543/00805; B65D2543/00824; B65D2543/00833; B65D2543/00842
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
188 words
A package for meat or other perishable food comprising: a cup-shaped container body of thermoformed plastic, said container having a radially extending flange at the periphery of its mouth; a planar member defining a flange adjacent said mouth, said planar member having a first surface, an opening and a ring means formed on the inner periphery of said opening; said container body being mounted on said planar member with said radially extending flange being attached against one face of said planar member so that the mouth of said container body is in registry with the opening in said planar member and said ring means extends inside of and around the inner periphery of said mouth; and a reclosable closure member of the thermoformed plastic, said closure member having a portion overlying the mouth of said container body and being adapted for sealing said cup-shaped body in engagement with said food, said closure member having means forming lugs adjacent its periphery to engage said ring means and to create an audible snap sound as said closure member is removed from or replaced in said mouth of said container body.
Claim 2
Dependent Claim
188 words
A package for meat or other perishable food comprising: a cup-shaped container body of thermoformed plastic, said container having a radially extending flange at the periphery of its mouth; a planar member defining a flange adjacent said mouth, said planar member having a first surface, an opening and a ring means formed on the inner periphery of said opening; said container body being mounted on said planar member with said radially extending flange being attached against one face of said planar member so that the mouth of said container body is in registry with the opening in said planar member and said ring means extends inside of and around the inner periphery of said mouth; and a reclosable closure member of the thermoformed plastic, said closure member having a portion overlying the mouth of said container body and being adapted for sealing said cup-shaped body in engagement with said food, said closure member having means forming lugs adjacent its periphery to engage said ring means and to create an audible snap sound as said closure member is removed from or replaced in said mouth of said container body.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-07-24 | 1993-01-23 | 1993-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-07-24 | 1997-01-23 | 1997-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-07-24 | 2001-01-23 | 2001-07-25 | $7700.00 | Window Closed / Lapsed |