PATENT CLAIM ANALYSIS

Application Number: 15777838
Application Type: Utility
Filing Date: 2018-05
Publication Date: 2018-11
Patent Classification: ["384", "558000"]

Abstract:
A mast spacer provided between a mast bearing and a mast nut in a main shaft of a helicopter, has a cylindrical spacer body. A first end of the mast spacer is a bearing contact end which is fittable to an inner race of the mast bearing. For example, the bearing contact end is provided with bearing projections which are fittable to recesses provided in the inner race of the mast bearing. The spacer body is provided with slits, for example, a spiral slits penetrating its side wall. The slits have a linear shape crossing an axial direction of the cylindrical spacer body.

Claim (Index 8):
A helicopter comprising the driving power transmission device according to  claim 7 .

Metadata:
- Claim Count in Document: 15.0
- Percentile: 93.0
- Lexical Diversity: 2.24
- Patent Class: 384.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['13583092', '15407481', '15407449', '12737622', '14873073']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7300363391681051
- 35 USC 102 Novelty (BERT): 0.4872476536321371
- Combined Prediction Score: 0.7057574706145082
- Mean Citation Score: 156.643336
- Max Citation Score: 168.31728
- Similarity Product: 113.34865611408236

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