USD519136SExpiredUtility

Swivel body for a top drive in a wellbore derrick

39
Assignee: VARCO INTPriority: Jun 7, 2004Filed: Jun 24, 2004Granted: Apr 18, 2006
Est. expiryJun 7, 2024(expired)· nominal 20-yr term from priority
Inventors:Robert FolkSteven Lorne Folk
39
PatentIndex Score
2
Cited by
33
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a swivel body for a top drive in a wellbore derrick, as shown and described.

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