Respiratory protection mask
Cole October 12, 1
U.S. patent number D340,317 [Application Number 07/711,669] was granted by the patent office on 1993-10-12 for respiratory protection mask. Invention is credited to Harry Cole.
| United States Patent | D340,317 |
| Cole | October 12, 1993 |
Respiratory protection mask
Claims
The ornamental design for a respiratory protection mask, as shown and described.
| Inventors: | Cole; Harry (London SW9 0DX, GB3) |
|---|---|
| Appl. No.: | 07/711,669 |
| Filed: | June 6, 1991 |
| Current U.S. Class: | D24/110.1; D24/164 |
| Field of Search: | ;D24/164 ;D29/7,8 ;128/201.28,203.29,205.27,205.29,206.12,206.15,206.16,206.17,206.19,206.21 |
References Cited [Referenced By]
U.S. Patent Documents
| D224277 | July 1972 | Venaleck |
| D277520 | February 1985 | Gregory |
| 2227667 | January 1941 | Panettiere |
| 2237305 | April 1941 | Heimann |
| 2362382 | November 1944 | Lehmberg |
| 4520509 | June 1985 | Ward |
| 4579113 | April 1986 | McCreadie et al. |
| 4671271 | June 1987 | Bishop et al. |
| 4941467 | July 1990 | Takata |
Assistant Examiner: Simmons; Ian
Attorney, Agent or Firm: VanOphem; Remy J.
Description
FIG. 1 is a front elevational view of a respiratory protection mask of my new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a perspective view thereof shown in use; and,
FIG. 4 is a rear exploded perspective view thereof.
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