Screw drain plug
Nightlinger , et al. June 26, 2
U.S. patent number D545,404 [Application Number D/228,122] was granted by the patent office on 2007-06-26 for screw drain plug. Invention is credited to Grzegorz Loniewski, Piotr Loniewski, Agnieszka Nightlinger, Scott Nightlinger.
| United States Patent | D545,404 |
| Nightlinger , et al. | June 26, 2007 |
Screw drain plug
Claims
CLAIM The ornamental design for a screw drain plug, as shown and described.
| Inventors: | Nightlinger; Scott (Mount Prospect, IL), Nightlinger; Agnieszka (Mount Prospect, IL), Loniewski; Piotr (Warszawa, PL), Loniewski; Grzegorz (Mount Prospect, IL) |
|---|---|
| Appl. No.: | D/228,122 |
| Filed: | April 20, 2005 |
| Current U.S. Class: | D23/260 |
| Current International Class: | 2301 |
| Field of Search: | ;D23/260-262 ;483/65 ;279/91,143 ;81/DIG.11 ;D9/434,447 ;D8/397-399,387 ;114/197 ;220/288 ;217/110 ;409/234 ;222/552,554,546,563 ;4/286-287,295 ;138/89,91 |
References Cited [Referenced By]
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Assistant Examiner: Goodman; Eric L.
Description
FIG. 1 is a front perspective view of our new design illustrating the characteristic features of the design, which resides in its shape together with having an axially blind, left-handed threaded opening.
FIG. 2 is a side elevational view of the design illustrated in FIG. 1, all sides being identical.
FIG. 3 is a front elevational view of the screw plug design shown in FIG. 1; and,
FIG. 4 is a rear elevational view of the screw plug design shown in FIG. 1.
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