Nova Patents
EP1409255A4

Printhead for pen

Abstract

The present invention provides an ink ejection type printhead having a plurality of ink ejection devices and a central axis, the ink ejection devices arranged in a series of groups, each of the groups generally extending along at least partially curved radial lines.

Term

Term ended

Projected expiry passed 20 October 2020, 5.9 years ago.

  1. Priority and filed
  2. Published
  3. Projected expiry
  4. Today

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