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PATENTS | 9 Months Ended
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Jun. 30, 2025
PATENTS |
PATENTS | G. PATENTS During the nine months ended June 30, 2025, the Company abandoned four patents which resulted in an impairment of $13,312 on patent costs. During the three months ended June 30, 2025, the Company abandoned one patent which resulted in an impairment of $3,770 on patent costs. During the nine and three months ended June 30, 2024, there was no impairment of patent costs. The weighted average amortization period for patents is approximately 7 years. For the nine months ended June 30, 2025 and 2024, amortization of patent costs totaled approximately $22,000 and $25,000, respectively. For the three months ended June 30, 2025 and 2024, amortization of patent costs totaled approximately $7,000 for both periods. The total estimated future amortization is as follows:
Three months ending September 30, 2025 |  | $ | 6,000 |
Year ending September 30, |  |  |  |
2026 |  |  | 22,000 |
2027 |  |  | 22,000 |
2028 |  |  | 18,000 |
2029 |  |  | 16,000 |
2030 |  |  | 14,000 |
Thereafter |  |  | 33,000 |
Total |  | $ | 131,000 |

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