USD257844SExpiredUtility

Two-cylinder vertical shaft internal combustion engine

85
Assignee: BRIGGS & STRATTON CORPPriority: Oct 31, 1977Filed: Oct 31, 1977Granted: Jan 13, 1981
Est. expiryOct 31, 1997(expired)· nominal 20-yr term from priority
Inventors:Clifford B. Stevens
85
PatentIndex Score
22
Cited by
1
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a two cylinder vertical shaft internal combustion engine, as shown and described.

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