PATENT CLAIM ANALYSIS

Application Number: 16086289
Application Type: Utility
Filing Date: 2018-09
Publication Date: 2019-09
Patent Classification: ["401", "199000"]

Abstract:
A liquid ink instrument, including: a pen body, a writing element mounted on the head of the pen body, an ink absorber mounted at the rear end of the writing element; a fiber ink feeder mounted in the body penetrates the ink absorbing body, the front end in contact with the writing element, the rear end communicated with the ink cartridge; at least one air-liquid balancer in the axial direction, the air-liquid balancer installed between the recited fiber ink feeder and the body; having one or more air-liquid exchange grooves penetrating through the outer circumferential surface; having an overflow groove on a radial surface of the air-liquid balancer, one end contacted to fiber ink feeder, and the other end communicating with air-liquid exchange groove; a gas-free fit or an interference fit adopted between the outer circumferential surface of the fiber ink feeder and the inner wall of the air-liquid balancer.

Claim (Index 1):
A liquid ink writing instrument comprising: a pen body for containing ink and constituting the principal part of the writing instrument;\n a writing element mounted on the head of the pen body; an ink absorber mounted on the rear end of the writing element; a fiber ink feeder mounted in the pen body penetrates through said ink absorber, the front end of which is contacted with the writing element, and the rear end is communicated with the ink cartridge formed by the inner cavity of the pen body; it is characterized by, at least one air-liquid balancer is set in the pen body along the axial direction, the air-liquid balancer is installed between the fiber ink feeder and the pen body; there is one or more air-liquid exchange grooves penetrating the outer circumferential surface of the air-liquid balancer thereof and having a capillary attraction effect on the ink; there is an overflow groove on a radial surface of the air-liquid balancer, one end of which is in contact with the fiber ink feeder, and the other end of which is communicated with the air-liquid exchange groove; a transition fit or an interference fit is adopted between the outer circumferential surface of the fiber ink feeder and the inner wall of the air-liquid balancer.

Metadata:
- Claim Count in Document: 32.0
- Percentile: 97.0
- Lexical Diversity: 2.46269
- Patent Class: 401.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['10511304', '15023761', '10480941', '12440270', '14405555']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.6298416190390913
- 35 USC 102 Novelty (BERT): 0.4591239000258886
- Combined Prediction Score: 0.612769847137771
- Mean Citation Score: 190.108022
- Max Citation Score: 207.49336
- Similarity Product: 171.30323406061171

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