Spiral advancing and retreating operation device and belt member for tubular telescopic body
US-12247644-B2 · Mar 11, 2025 · US
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Patent family 91554430
This patent family groups 2 related publications across US. Members often share priority claims or equivalent filings in different countries.
| Field | Value |
|---|---|
| Family ID | 91554430 |
| Family type | — |
| Earliest priority | Dec 23, 2022 |
| First filing country | US |
| Member publications | 2 |
| Countries | US |
| Representative publication | US12247644B2 — Spiral advancing and retreating operation device and belt member for tubular telescopic body |
Representative publication
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US12247644B2 — Spiral advancing and retreating operation device and belt member for tubular telescopic body (published Mar 11, 2025)
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