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The ornamental design for a spear blade swim fin, as shown and described. |
FIG. 1. Is a top perspective view of my spear blade swim fin, showing my new design, the broken lines are for illustrative purposes only;
FIG. 2. Is a right side elevational view thereof, with the left side elevational view being a substantial mirror image thereof;
FIG. 3. Is a front view thereof;
FIG. 4. Is a rear view thereof;
FIG. 5. Is a top view thereof;
FIG. 6. Is a bottom view thereof
FIG. 7. Is a perspective view of a second embodiment of my spear blade swim fin;
FIG. 8. Is a right side elevational view of the fin shown in FIG. 7, with the left side elevational view being a substantial mirror image thereof;
FIG. 9. Is a front view of the fin shown in FIG. 7;
FIG. 10. Is a rear view of the fin shown in FIG. 7;
FIG. 11. Is a top view of the fin shown in FIG. 7; and,
FIG. 12. Is a bottom view of the fin shown in FIG. 7.
Patent | Priority | Assignee | Title |
6354894, | Apr 13 2000 | Spear-blade swim fin | |
6537114, | Apr 13 2000 | Adjustable swim fin | |
D454934, | Aug 20 2001 | Swim fin having shortened distal portion | |
D455807, | Aug 23 2001 | Swim fin having articulated extensions |
Patent | Priority | Assignee | Title |
5746631, | Jan 11 1996 | High efficiency hydrofoil and swim fin designs | |
D327935, | Feb 28 1991 | Long-blade closed-shoe swim fin | |
D340272, | Aug 19 1991 | Swimming fin |
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