Electricity: conductors and insulators – Boxes and housings – Hermetic sealed envelope type
Patent
1980-07-07
1982-06-22
Grimley, Arthur T.
Electricity: conductors and insulators
Boxes and housings
Hermetic sealed envelope type
361400, H05K 503
Patent
active
043364179
ABSTRACT:
A non removable cover for an electrical device e.g. a cradle switch springset in a telephone comprises a cover which slides on to the electrical device and a mounting pad which holds the cover in position when the electrical device is soldered onto a printed wiring board.
REFERENCES:
patent: 3571771 (1971-03-01), Stephanson
patent: 3950603 (1976-04-01), Brefka
patent: 4149028 (1979-04-01), Gressitt
Grimley Arthur T.
Plessey Handel und Investments AG
Tone D. A.
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