Case for a breathing mask or breathing apparatus unit
Drews April 7, 1
U.S. patent number D289,207 [Application Number 06/686,288] was granted by the patent office on 1987-04-07 for case for a breathing mask or breathing apparatus unit. This patent grant is currently assigned to Dragerwerk AG. Invention is credited to Wolfgang Drews.
| United States Patent | D289,207 |
| Drews | April 7, 1987 |
Case for a breathing mask or breathing apparatus unit
Claims
The ornamental design for a case for a breathing mask or breathing apparatus unit, as shown and described.
| Inventors: | Drews; Wolfgang (Bahrenhof, DE) |
|---|---|
| Assignee: | Dragerwerk AG
(DE) |
| Appl. No.: | 06/686,288 |
| Filed: | December 26, 1984 |
Foreign Application Priority Data
| Nov 15, 1984 [DE] | MR 795 | |||
| Current U.S. Class: | D3/225 |
| Field of Search: | ;D29/6,99 ;D24/62 ;D3/30.1,74 ;220/72,74,320 ;D9/454 ;206/518 |
References Cited [Referenced By]
U.S. Patent Documents
| D223144 | March 1972 | Bloch |
| D228888 | October 1973 | Feldman |
| D238979 | February 1976 | Perry et al. |
| 3326408 | June 1967 | Ringlen |
Assistant Examiner: Chin; Kay H.
Attorney, Agent or Firm: McGlew and Tuttle
Description
FIG. 1 is a rear top perspective view of a case for a breathing mask or breathing apparatus unit showing my new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a left side elevation view thereof, the right side elevation view being a mirror image of that shown.
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