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			 The ornamental design for a frame sill, as shown and described.  | 
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FIG. 1 is a fragmentary top perspective view of the frame sill showing my design;
FIG. 2 is a front elevational view thereof in which the rear view thereof is a mirror image of the front view;
FIG. 3 is a left elevational view thereof broken away to indicate indeterminate length;
FIG. 4 is a right elevational view thereof broken away to indicate indeterminate length;
FIG. 5 is a bottom plan view thereof broken away to indicate indeterminate length; and
FIG. 6 is a top plan view thereof broken away to indicate indeterminate length.
| Patent | Priority | Assignee | Title | 
| D795459, | Jan 06 2016 | Chelsea Building Products, Inc. | Window component extrusion | 
| D795460, | Jan 06 2016 | Chelsea Building Products, Inc. | Window component extrusion | 
| D876551, | May 02 2018 | Feiloli Electronic Co., Ltd. | Extrusion | 
| D899632, | Feb 18 2019 | FREEDOM SCREENS CAPITAL PTY LTD | Extrusion | 
| Patent | Priority | Assignee | Title | 
| 4048774, | May 17 1975 | Yoshida Kogyo Kabushiki Kaisha | Exterior window unit having adapter sill member | 
| D251447, | May 19 1977 | Croft Metals, Inc. | Window component extrusion or similar article | 
| D251448, | May 19 1977 | Croft Metals, Inc. | Window component extrusion or similar article | 
| D251450, | May 19 1977 | Croft Metals, Inc. | Window component extrusion or similar article | 
| D251504, | May 19 1977 | Croft Metals, Inc. | Window component extrusion or similar article | 
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