| 4999851 | Collapsible hat | March, 1991 | Hall | 2/180 |
| 2677827 | Hat | May, 1954 | Lockhart | D2/887 |
| 2556016 | Hat and hat frame and method of making same | June, 1951 | Turshin | 2/181 |
| 2495041 | Beach or sun hat | January, 1950 | Weiss | 22/93 |
| 2243357 | Adjustable hat | May, 1941 | Ostolaza et al. | D2/894 |
| 2136678 | Protective headgear | November, 1938 | Dym | 2/181 |
| 1676504 | Fit-easy facing for hats | July, 1928 | Risley | 2/175 |
| 0787390 | N/A | April, 1905 | Nash | 2/192 |
| 0480041 | N/A | August, 1892 | Schlesinger | 21/821 |
FIG. 1 is a rear perspective view of a collapsible hat showing my new design, the broken lines are for purposes of illustration;
FIG. 2 is a top plan view of the collapsible hat shown in FIG. 1;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a front elevation view thereof;
FIG. 5 is a rear elevation view thereof;
FIG. 6 is a right side elevation view thereof, the left side elevation view being a mirror image of the right side elevation view; and,
FIG. 7 is a fragmentary sectional side elevation view taken along line 7--7 of FIG. 2 illustrating the contours of the headband and brim portion of the collapsible hat.