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The ornamental design for a constant sine bar, substantially as shown and described. |
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FIG. 1 is a top and left rear perspective view of a constant sine bar showing my new design;
FIG. 2 is a left side elevational view thereof, the right side being a mirror image thereto. The broken line showing of a roll-pin is environmental only and forms no part of the claimed design;
FIG. 3 is a top plan view thereof,
FIG. 4 is a bottom plan view thereof,
FIG. 5 is a rear elevational view thereof; and
FIG. 6 is a front elevational view thereof.
| Patent | Priority | Assignee | Title |
| D341324, | Mar 04 1992 | Sine bar |
| Patent | Priority | Assignee | Title |
| 2417150, | |||
| 2446562, | |||
| 3623231, | |||
| 137417, |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
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