Respirator's blower-filter unit
Baharad February 19, 1
U.S. patent number D314,844 [Application Number 07/218,618] was granted by the patent office on 1991-02-19 for respirator's blower-filter unit. This patent grant is currently assigned to Shalon Chemical Industries Ltd.. Invention is credited to Ram Baharad.
| United States Patent | D314,844 |
| Baharad | February 19, 1991 |
Respirator's blower-filter unit
Claims
The ornamental design for a respirator's blower-filter unit, as shown and described.
| Inventors: | Baharad; Ram (Kfar Azar, IL) |
|---|---|
| Assignee: | Shalon Chemical Industries Ltd.
(Tel Aviv, IL) |
| Appl. No.: | 07/218,618 |
| Filed: | July 13, 1988 |
Foreign Application Priority Data
| Feb 8, 1988 [IL] | 13442 | |||
| Current U.S. Class: | D24/110 |
| Field of Search: | ;D29/7-9 ;128/204.18,205.12,205.18 |
References Cited [Referenced By]
U.S. Patent Documents
| 3721239 | March 1973 | Myers |
| 4353366 | October 1982 | Bickford |
| 4726366 | February 1988 | Apple et al. |
| 4825859 | May 1989 | Lambert |
| 4826510 | May 1989 | McCombs |
| 86/06643 | Nov 1986 | WO | |||
Attorney, Agent or Firm: Browdy and Neimark
Description
FIG. 1 is a top plan view of a respirator's blower filter unit showing my new design;
FIG. 2 is a left side elevational view thereof;
FIG. 3 is a top and right side perspective view thereof; and
FIG. 4 is a bottom plan view thereof.
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