| 2326414 | Storage container | August, 1943 | Thompson | |
| 2514573 | Multiple unit container | July, 1950 | Harrison | |
| 2663450 | Compartmented container | December, 1953 | Bourcart | |
| 2678861 | Album holder | May, 1954 | Funk | |
| 3273739 | September, 1966 | Wei | ||
| 3369691 | Stacked food containers | February, 1968 | Wei | |
| 3552548 | WAFER STORAGE AND SHIPPING CONTAINER | January, 1971 | Wallestad et al. | |
| 3719272 | INTERLOCKING CASE FOR ELECTRONIC COMPONENTS | March, 1973 | Bodine et al. | |
| 4109789 | Self-contained latch constructions for interlocking containers in stacked relation | August, 1978 | Fattori et al. | |
| 4474303 | Portable modular food container | October, 1984 | Maccise | |
| 4501376 | Container and closure having lug fastening means | February, 1985 | Bushby | |
| 4516688 | Closure cap having integrated fastening means | May, 1985 | Freeland |
FIG. 1 is a top and side perspective view of a stacking lunch box, showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a typical side elevational view thereof;
FIG. 5 is an exploded elevational view thereof; and,
FIG. 6 is an enlarged cross-sectional view thereof on line 6--6 in FIG. 2.