Canon Inc

U.S. Patent No. 8,565,649


This preliminary prior art search report presents the mappings of the various elements of claim 1 of U.S. Patent No. 8,565,649 (’649 Patent), titled “Developer supply container and developer supplying system”, from assignee Canon Inc., published on 22 October 2013.

The patent discloses a developer supply container comprising a developer accommodating chamber, a feeding portion configured and positioned to feed the developer in the accommodating chamber with its rotation, a developer discharging chamber with a discharge opening that permits discharging of the fed developer, a driving force receiving portion that receives rotational force to rotate the feeder, a pump that acts upon the discharging chamber and changes volume with reciprocation, and a drive converter that converts the rotational force to a force for operating the pump.

This preliminary search report includes the following:

  • References found from the preliminary search
  • Claims mapping chart
  • Copies of the selected references with highlighted excerpts
  • Search strategies used in conducting the prior art search



This ParolaPRIME™ report is not legal advice. The suggested correspondences between the features disclosed in the patent-at-issue and those disclosed in each reference reflect what Parola Analytics believes are technical similarities between those respective sets of features. Parola Analytics makes no representation concerning any legal status or effect that may arise from documents mentioned in this report, such as the validity of any apparent priority date or the assertability of any document as prior art against a patent. You should independently obtain legal counsel before attempting to rely on any portion of this report in a legal proceeding.

The references presented in this report are only preliminary and do not represent results from an exhaustive search. For the full report, request a quote.

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