Patent NZ-1910-29726
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This patent is listed in NZPOJ (1914) under "Patent Renewal Fees Paid: Fourth-year Fees", so an original date of ~1910 is inferred. It seems related to Patent NZ-1910-28965 by the same inventor and filed perhaps just a little earlier.
Sources
| Year filed | 1910 |
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| Year granted | |
| Office | NZ |
| Patent number | 28965 |
| Inventors | W. L. Hamilton |
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| Original title | Aerial or suspended railway |
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| Tech fields | track |
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| Granted? | 1 |
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| Related to aircraft? | -1 |
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