Emergency air supply assembly
Description
FIG. 1 is a front perspective view of an emergency air supply assembly showing my new design.
FIG. 2 is a rear perspective view thereof.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
| D143084 | December 1945 | Littlefield et al. |
| D143782 | February 1946 | Yant |
| D183410 | August 1958 | Stanton |
| D283742 | May 6, 1986 | Hall |
| 2864361 | December 1958 | Johnson |
| 2881757 | April 1959 | Haverland |
| 2975439 | March 1961 | Bentley |
| 3224720 | December 1965 | Hain |
| 3397693 | August 1968 | Warncke |
| 4413622 | November 8, 1983 | Austin |
| 4455718 | June 26, 1984 | Finnern |
| 2025774 | January 1980 | GBX |
Patent History
Patent number: D297468
Type: Grant
Filed: Nov 14, 1985
Date of Patent: Aug 30, 1988
Inventor: David C. Young (Brodbeeks, PA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Kay H. Chin
Attorney: Terry M. Gernstein
Application Number: 6/805,134
Type: Grant
Filed: Nov 14, 1985
Date of Patent: Aug 30, 1988
Inventor: David C. Young (Brodbeeks, PA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Kay H. Chin
Attorney: Terry M. Gernstein
Application Number: 6/805,134
Classifications
Current U.S. Class:
D29/7
