USD53686S - Design for a compression, combustion, and spark-plug tester - Google Patents
Design for a compression, combustion, and spark-plug tester Download PDFInfo
- Publication number
- USD53686S USD53686S US D53686 S USD53686 S US D53686S
- Authority
- US
- United States
- Prior art keywords
- design
- combustion
- compression
- spark
- plug tester
- Prior art date
Links
- 238000002485 combustion reaction Methods 0.000 title description 6
- 238000007906 compression Methods 0.000 title description 6
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Description
DESIGN.
\ L. R. MARTELL. COMPRESSION, comausnou, AND SPARK PLUG resrsm APPLICATION FILED IAN- 21| "H9- r 7 53,686, Patented Aug. 5, 1919.
UNITED STATES PATENT OFFICE.
LEONARD R. MARTELL, OF DETROIT, MICHIGAN.
DESIGN FOR A COMPRESSION, COMBUSTION, AND SPARK-PLUG TESTER.
Specification for Design.
Patented Aug. 5, 1919.
Application filed January 27, 1919. Serial No. 273,495. Term of patent 14 years.
pression, combustion and spark plug tester, showing my new design, and
Fig. 2 is a perspective View of the same.
I claim:
The ornamental design for a compression, combustion and spark plug tester, as shown.
LEONARD R. MARTELL.
To all whom it may concern:
Be it known that I, LEONARD R. MARTELL, a citizen of the United States, residing at Detroit, in the county of VV-ayne and State of Michigan, have invented a new, original, and ornamental Design for a Compression, Combustion, and Spark-Plug Tester, of which the following is a specification, reference being had to the accompanying draw- Witnesses: mg, forming part thereof. LEWIS E. FLANDERS,
Figure 1 1s a side elevation of a com- ANNA M. DORR.
copies of this patent may be obtained for live cents each, by addressing the "Commissioner of Patents, Wuhlngton, D. 0.
Family
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