Audio speaker housing for protective helmets
Coughlin , et al. September 19, 1
U.S. patent number D249,508 [Application Number 05/667,184] was granted by the patent office on 1978-09-19 for audio speaker housing for protective helmets. Invention is credited to Ronald D. Coughlin, Kenneth E. Pohlmann, Jr..
| United States Patent | D249,508 |
| Coughlin , et al. | September 19, 1978 |
Audio speaker housing for protective helmets
Claims
The ornamental design for the audio speaker housing for protective helmets, as shown.
| Inventors: | Coughlin; Ronald D. (Melbourne, FL), Pohlmann, Jr.; Kenneth E. (Melbourne, FL) |
|---|---|
| Appl. No.: | 05/667,184 |
| Filed: | March 15, 1976 |
| Current U.S. Class: | D14/223 |
| Current International Class: | D1403 |
| Field of Search: | ;D14/65,36,37 ;179/156R,156A ;325/16,118 ;179/17BC |
References Cited [Referenced By]
U.S. Patent Documents
| 2619639 | December 1952 | Hendler |
| 3889190 | June 1975 | Palmer |
| 3890475 | June 1975 | Denhart |
| 3916312 | October 1975 | Campbell |
Description
FIG. 1 is a top plan view of an audio speaker housing for protective helmets showing my new design;
FIG. 2 is a side elevation thereof;
FIG. 3 is a cross-section taken on line 3--3 of FIG. 1; and
FIG. 4 is a bottom plan view thereof.
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