PATENT CLAIM ANALYSIS

Application Number: 15924126
Application Type: Utility
Filing Date: 2018-03
Publication Date: 2019-09
Patent Classification: ["297", "284500"]

Abstract:
The auxiliary backrest for a chair includes a support and an auxiliary backrest body. The support has two rails. Each rail is formed by a surrounding wall and a side wall. An open trough is formed within the two rails. The trough has an inlet. The auxiliary backrest body has a back portion with a pair of elastic sheets. Each elastic sheet has a fixing end connected to the back portion and an elastic end corresponding to the two rails. Each elastic end has an insert portion inserted into the trough. A distance between two outer ends of the two insert portions is slightly greater than a width of the trough. When the insert portions are compressedly inserted into the trough, the elastic ends can be held between the rails by the elasticity thereof.

Claim (Index 5):
The backrest of  claim 1 , wherein the support is provided with a plurality of positioning apertures arranged in a line between the two rails, the auxiliary backrest body is provided with a protrusion between the two elastic sheets, and the protrusion enters one of the positioning apertures.

Metadata:
- Claim Count in Document: 3.0
- Percentile: 90.0
- Lexical Diversity: 2.26562
- Patent Class: 297.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: False
- Related Applications: ['14155748', '13301046', '10746631', '13634008', '13704237']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7746826839412073
- 35 USC 102 Novelty (BERT): 0.4500059571480813
- Combined Prediction Score: 0.7422150112618948
- Mean Citation Score: 126.81658
- Max Citation Score: 129.25589
- Similarity Product: 90.45399019105494

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

Dataset: test