Mechanical coupling

Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Fitting

Design Patent

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Design Patent

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D0560764

CLAIM:
The ornamental design for a mechanical coupling, as shown and described.

REFERENCES:
patent: 1851574 (1932-03-01), Fiederlein
patent: 1905324 (1933-04-01), Waters
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patent: 6626466 (2003-09-01), Dole
patent: 2004/0036291 (2004-02-01), Dole
patent: 2005/0242585 (2005-11-01), Dole et al.
Asian Sources Hardwares (Apr. 2005), p. 187.

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