PATENT CLAIM ANALYSIS

Application Number: 15937702
Application Type: Utility
Filing Date: 2018-03
Publication Date: 2018-10
Patent Classification: ["347", "007000"]

Abstract:
An inkjet printing apparatus includes a print head, an ink tank containing ink to be supplied to the print head, a cap switchable between a covering position to cover a discharge port face and an exposing position to expose the discharge port face, a suction unit connected to the cap, and a control unit. The control unit controls the performing of an ink filling operation of filling the print head with the ink supplied from the ink tank. The ink filling operation includes a valve-closing suction operation of performing suction through the suction unit for a predetermined period of time while the cap is in the covering position. The apparatus further includes a detection unit configured to detect an ink filling state. The control unit controls the stopping of the ink filling operation in accordance with a detection result of the detection unit.

Claim (Index 5):
The apparatus according to  claim 1 , further comprising:\n a maintenance cartridge that stores the ink sucked by the suction unit; and a calculation unit configured to calculate an ink amount in the maintenance cartridge, wherein the calculation unit calculates the ink amount after the pressure variation is greater than or equal to a predetermined value.

Metadata:
- Claim Count in Document: 4.0
- Percentile: 90.0
- Lexical Diversity: 2.57627
- Patent Class: 347.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['13217520', '11844792', '13217453', '14829336', '15659304']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7666606759819754
- 35 USC 102 Novelty (BERT): 0.5041724112069249
- Combined Prediction Score: 0.7404118495044704
- Mean Citation Score: 268.91870800000004
- Max Citation Score: 284.4134
- Similarity Product: 202.1075577739477

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 0
- Claim Label 112: 1
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test