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Class Information
Number: D21/687
Name: Games, toys, and sports goods > Exercise equipment > Platform, frame, or support > Sit-up type
Description: Design for bending-type exercise for the waist and abdominal muscles.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| D385930 |
Exerciser |
Nov. 4, 1997 |
| D384379 |
Abdominal exerciser |
Sep. 30, 1997 |
| D381378 |
Abdominal exercise device |
Jul. 22, 1997 |
| D372507 |
Sit-up exerciser |
Aug. 6, 1996 |
| D371177 |
Aerobic exercise mat |
Jun. 25, 1996 |
| D370506 |
Abdominal exercise board |
Jun. 4, 1996 |
| D369841 |
Door mountable sit up exerciser |
May. 14, 1996 |
| D355002 |
Abdominal muscle trainer |
Jan. 31, 1995 |
| D353930 |
Jump ramp for wheeled vehicles |
Dec. 27, 1994 |
| D353173 |
Sit up exercise support |
Dec. 6, 1994 |
| D350576 |
Stomach flattening exerciser |
Sep. 13, 1994 |
| D349344 |
Traction unit |
Aug. 2, 1994 |
| D339618 |
Sit-up exerciser |
Sep. 21, 1993 |
| D338932 |
Support for exerciser |
Aug. 31, 1993 |
| D337139 |
Exercise bar |
Jul. 6, 1993 |
| D334604 |
Sit-up exercise apparatus |
Apr. 6, 1993 |
| D331270 |
Sit-up exercise support |
Nov. 24, 1992 |
| D327927 |
Sit-up exercise bar |
Jul. 14, 1992 |
| D321386 |
Support for sit-up exercise or similar article |
Nov. 5, 1991 |
| D284394 |
Abdominal muscle trainer |
Jun. 24, 1986 |
| D281267 |
Sit-up exercise device |
Nov. 5, 1985 |
| D281006 |
Sit-up exercise anchor |
Oct. 15, 1985 |
| D280843 |
Horizontal sit-up exerciser |
Oct. 1, 1985 |
| D279917 |
Sit-up exercise device |
Jul. 30, 1985 |
| D277218 |
Exercise for attachment to door or the like |
Jan. 15, 1985 |
| D274828 |
Foot support for physical exerciser |
Jul. 24, 1984 |
| 4116434 |
Sit-up exercise apparatus |
Sep. 26, 1978 |
| D249375 |
Physical exerciser for mounting on bed |
Sep. 12, 1978 |
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