Optical: systems and elements – Optical aperture or tube – or transparent closure
Reexamination Certificate
2007-10-23
2007-10-23
Amari, Alessandro (Department: 2872)
Optical: systems and elements
Optical aperture or tube, or transparent closure
C359S350000, C073S334000
Reexamination Certificate
active
11437390
ABSTRACT:
An infrared sight glass for aftermarket fitment around an opening of an enclosure which enables thermal inspection of electrical equipment within the enclosure. The mounting of the sight glass is performed externally which avoids having to access the interior of the enclosure. The infrared sight glass comprises an infrared transmitting medium to facilitate use of an external infrared thermal imaging camera for monitoring the electrical equipment. A removable protective cover is locked into a closed position by security key screws and is easily removed by a slight twist when the key screws are loosened.
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patent: 2003/0030748 (2003-02-01), Jung
Holliday Antony J.
Holliday Graham R.
Amari Alessandro
Consilvio Mark
Dawson, Esq. Walter F.
Pearson & Pearson LLP.
Pearson, Jr. Esq. John H.
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