US Patent: 650,576
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| Hot Air Engine
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Patentee:
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| John Wickstrom (exact or similar names) - Chicago, Cook County, IL |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Apr. 26, 1898 |
| Granted: |
May 29, 1900 |
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Joel Havens
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Description: |
| Claim:
In a hot-air engine, the combination of a power-cylinder, a hot-air chamber, a piston in said power-cylinder, provided with an inwardly extending sleeve, a transfer-piston between the power-cylinder and hot-air chamber and sliding in said sleeve, and means connected with the power-piston for driving said transfer-piston. |
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