PATENT CLAIM ANALYSIS

Application Number: 16266881
Application Type: Utility
Filing Date: 2019-02
Publication Date: 2019-09
Patent Classification: ["355", "030000"]

Abstract:
A difficulty of contamination interfering with a grid plate positional measurement system is addressed. In one embodiment contamination is prevented from coming into contact with the grating or the sensor. In an embodiment, surface acoustic waves are used to detach contamination from a surface of the grating or sensor.

Claim (Index 10):
The apparatus of  claim 9 , further comprising a hole in the barrier to allow equalization of pressure of gas in the space and outside of the space.

Metadata:
- Claim Count in Document: 18.0
- Percentile: 99.0
- Lexical Diversity: 1.47222
- Patent Class: 355.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['12628531', '13183220', '15818232', '15078814', '12629691']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7076729549390357
- 35 USC 102 Novelty (BERT): 0.4908304869496225
- Combined Prediction Score: 0.6859887081400944
- Mean Citation Score: 228.121446
- Max Citation Score: 283.7259
- Similarity Product: 229.4568709476471

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