PATENT CLAIM ANALYSIS

Application Number: 15982040
Application Type: Utility
Filing Date: 2018-05
Publication Date: 2018-11
Patent Classification: ["399", "256000"]

Abstract:
A feeding screw for feeding a developer includes a rotation shaft, and a helical blade provided on the rotation shaft and including a plurality of threads. The helical blade includes a first blade helically formed with a single thread on the rotation shaft, a second blade helically formed with a single thread on the rotation shaft, and a third blade helically formed with a single thread on the rotation shaft. With respect to a direction along the rotation shaft, a gap is provided between a downstream end portion of the second blade and an upstream end portion of the third blade. A volume of the second blade is not more than 75% of the first blade between an upstream end portion of the second blade and the upstream end portion of the third blade with respect to the direction.

Claim (Index 29):
A developing device according to  claim 16 , further comprising a supplying portion configured to externally supply the developer to said second chamber,\n wherein with respect to the developer feeding direction, said blade portion is provided upstream of said supplying portion.

Metadata:
- Claim Count in Document: 13.0
- Percentile: 93.0
- Lexical Diversity: 3.02041
- Patent Class: 399.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['15982028', '15982023', '14855605', '13448776', '14381716']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8187453664150209
- 35 USC 102 Novelty (BERT): 0.5194623574044103
- Combined Prediction Score: 0.7888170655139598
- Mean Citation Score: 267.069508
- Max Citation Score: 359.20108
- Similarity Product: 238.88598241015663

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