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Part Number Formats Supported by N-Spec

N-Spec automatically identifies and extracts part numbers from patent specifications and figures. Understanding which formats are recognized helps ensure accurate part list generation.

Supported Part Number Formats

• Basic Numbers: Simple numeric references (e.g., 100, 102, 200)
• Letter Prefixes: Single letter followed by numbers (e.g., A1, B50, R101, C102)
• Letter Suffixes: Numbers followed by a single letter (e.g., 200A, 301a, 301b)
• Hyphenated Parts: Numbers with hyphenated sub-components containing 1-2 digits and optional letter (e.g., 102-1, 105-2B, 403-12B, 603-99Z)
• Combined Formats: Letter prefix + number + hyphen + sub-component (e.g., C102-1, L103-1A)

What N-Spec Does NOT Recognize

• Number Ranges: Hyphenated ranges like 301-325 or 604-200 are split into separate parts (301 and 325)
• Trailing Hyphens: Incomplete references like t0- or 602- are ignored
• Multiple Letters: Part numbers ending with 2+ letters are cleaned (e.g., 900ABC becomes 900)
• Complex Hyphens: Multiple hyphens or 3+ digits after hyphen (e.g., 601-1-2, 404-123)
• Decimal Numbers: Numbers with decimals like 3.141 or 10.2.3
• Numbers with Commas: Formatted numbers like 1,200 or 10,000
• Mathematical Expressions: Calculations like 2×4=8 or 100+50
• Measurements: Temperature (37°C), percentages (95.5%), frequencies (2.4GHz)

Special Cases

1. Prime Notations: Currently not supported (e.g., 103', 103'')
2. Parenthetical Numbers: Currently not supported (e.g., 501(1), 501(2))
3. Figure References: Automatically filtered out (Fig. 1, Figures 10-15)
4. Model/Serial Numbers: Formats like SN123456, MOD-2023, TC-100 may be captured if they match part number patterns

Examples of Correct Part Number Usage