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US3203573A Expired / Lapsed US ⏱️ 0.0 years remaining

Food containers

Assignee: Individual
•
Filing: 1963-04-26
•
Granted: 1965-08-31
•
Expires: 1983-04-26
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Abstract

No abstract record available.

Inventors

  • 👤 Donald C Rowe

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 20:56
CPC Classifications
B; B65; B65D; B65D21/00; B65D21/02; B65D21/04; B65D21/043; B65D21/045

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 180 words
AN INTERGRALLY FORMED, COMPARTMENTED, STACKING AND NESTING CONTAINER, FOR FOODS, OF UNIFORMED THICKNESS MATERIAL PROVIDING MULTIPLE COMPARTMENTS OF UNIFORM ELEVATION BOTTOMS AND VARYING HEIGHT UPSTANDING WALLS, WHICH WALLS, THROUGHOUT THE CONTAINER, ARE OF INVERTED V CROSS-SECTION TO PERMIT NESTING OF IDENTICAL CONTAINERS ONE ABOVE THE OTHER, SAID WALLS INCLUDING STRAIGHT PARALLEL LONGITUDINALLY EXTENDING SAID WALLS AND PARALLEL CONVEX-CONCAVE AND WALLS AND A TRANSVERSE CENTRAL WALL, ALL OF UNFORM HEIGHT, AND OTHER WALLS OF LESSER HEIGHT AND INCLUDING A CENTRAL LONGITUDINAL WALL PARALLELING SAID SIDE WALLS, AND CENTRALLY POSITIONED LATERALLY EXTENDING CURVED WALLS PARALLELING SAID END WALLS, ALL OF SAID HEIGHER WALLS JAVING THEIR TOPS DEFORMED TO PROVIDE RESTRICTIVE LEDGES BELOW THE LEVEL OF THE TOPS OF SAID WALLS TO RECEIVE AND ALIGN ANY LIKE CONTAINER PLACED ABOVE, AFTER IT HAS BEEN ORIENTED 180* FROM ITS NESTING POSITION, THE RESTRICTIVE LEDGES BEING SO LOCATED AND SPACED THAT THE OUTER PORTIONS OF THE INVERTED V WALLS OF THE CONTAINER REMAIN SUBSTANTIALLY FREE OF ONE ANOTHER, THEREBY INSURING GOOD VENTILATION THROUGH THE VENTILATED SPACE ABOVE THE HEIGHT DETERMINED BY THE LOWER COMPARTMENT WALLS.
Claim 2
Dependent Claim 180 words
AN INTERGRALLY FORMED, COMPARTMENTED, STACKING AND NESTING CONTAINER, FOR FOODS, OF UNIFORMED THICKNESS MATERIAL PROVIDING MULTIPLE COMPARTMENTS OF UNIFORM ELEVATION BOTTOMS AND VARYING HEIGHT UPSTANDING WALLS, WHICH WALLS, THROUGHOUT THE CONTAINER, ARE OF INVERTED V CROSS-SECTION TO PERMIT NESTING OF IDENTICAL CONTAINERS ONE ABOVE THE OTHER, SAID WALLS INCLUDING STRAIGHT PARALLEL LONGITUDINALLY EXTENDING SAID WALLS AND PARALLEL CONVEX-CONCAVE AND WALLS AND A TRANSVERSE CENTRAL WALL, ALL OF UNFORM HEIGHT, AND OTHER WALLS OF LESSER HEIGHT AND INCLUDING A CENTRAL LONGITUDINAL WALL PARALLELING SAID SIDE WALLS, AND CENTRALLY POSITIONED LATERALLY EXTENDING CURVED WALLS PARALLELING SAID END WALLS, ALL OF SAID HEIGHER WALLS JAVING THEIR TOPS DEFORMED TO PROVIDE RESTRICTIVE LEDGES BELOW THE LEVEL OF THE TOPS OF SAID WALLS TO RECEIVE AND ALIGN ANY LIKE CONTAINER PLACED ABOVE, AFTER IT HAS BEEN ORIENTED 180* FROM ITS NESTING POSITION, THE RESTRICTIVE LEDGES BEING SO LOCATED AND SPACED THAT THE OUTER PORTIONS OF THE INVERTED V WALLS OF THE CONTAINER REMAIN SUBSTANTIALLY FREE OF ONE ANOTHER, THEREBY INSURING GOOD VENTILATION THROUGH THE VENTILATED SPACE ABOVE THE HEIGHT DETERMINED BY THE LOWER COMPARTMENT WALLS.

References Cited (Backward Citations)

US2352684A Cited
US2758750A Cited
US2774511A Cited
DE1000737B Cited
US2896809A Cited
FR1208481A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-08-30 1969-03-01 1969-08-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-08-30 1973-03-01 1973-08-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-08-30 1977-03-01 1977-08-31 $7700.00 Window Closed / Lapsed

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