USD660819SActiveUtility

Door intercom

Assignee: CHEN REN-PENGPriority: Jan 4, 2012Filed: Jan 4, 2012Granted: May 29, 2012

Est. expiryJan 4, 2032(~5.5 yrs left)· nominal 20-yr term from priority

PatentIndex Score

123

Cited by

References

Claims

exact text as granted — not AI-modified

The ornamental design for a door intercom, as shown and described.

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