PATENT CLAIM ANALYSIS

Application Number: 15752689
Application Type: Utility
Filing Date: 2018-02
Publication Date: 2018-08
Patent Classification: ["401", "099000"]

Abstract:
A refill for a writing tool includes an ink containing tube that is made from a resin material and formed in a straight cylindrical shape, and a writing tip that is attached to an end of the ink containing tube. A press-fit portion, formed at the end of the ink containing tube, has a thickness being made thickened toward an inner circumferential surface and has an opening hole penetrating in an axial direction at a central portion of the press-fit portion. The writing tip or a relay member supporting the writing tip is press-fitted and attached to the press-fit portion. The refill for a writing tool can ensure a necessary and sufficient amount of ink stored without expanding an outer diameter of the ink containing tube, and sufficiently secure mechanical strength of an end portion, and a writing tool using the same can be provided.

Claim (Index 8):
The refill for a writing tool according to  claim 3 , wherein the press-fit portion is integrally formed with the ink containing tool.

Metadata:
- Claim Count in Document: 3.0
- Percentile: 88.0
- Lexical Diversity: 2.13889
- Patent Class: 401.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['11391422', '10548125', '12310618', '14051018', '13583473']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7215187078913731
- 35 USC 102 Novelty (BERT): 0.4857064150751198
- Combined Prediction Score: 0.6979374786097478
- Mean Citation Score: 255.856812
- Max Citation Score: 277.14557
- Similarity Product: 203.2904064430392

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

Dataset: test