USD445812SExpiredUtility

Welding machine

59
Assignee: MATSUSHITA ELECTRIC INDUSTRIAL CO LTDPriority: Apr 6, 2000Filed: Oct 2, 2000Granted: Jul 31, 2001
Est. expiryApr 6, 2020(expired)· nominal 20-yr term from priority
Inventors:Masaki ShimizuAkihiko KitajimaNorikazu OsakiKoji HamamotoYoshiyuki TabataTsutomu Naito
59
PatentIndex Score
12
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a welding machine, as shown and described.

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