Maintenance monitor

Boots – shoes – and leggings

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Details

364424, 377 20, 340 52D, G06F 1520, G08B 1900

Patent

active

044046413

ABSTRACT:
Disclosed is a maintenance monitor which at a preselected interval will automatically alert one that the equipment of concern is due for maintenance. The maintenance monitor includes a control unit sensing device such as a switch inductive pickup etc., a programmable module counter activated by a signal from the sensing device and a display for readout of the counter and to advise of the maintenance period or to perform a function.

REFERENCES:
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patent: 4025774 (1977-05-01), Johnson et al.
patent: 4031363 (1977-06-01), Freeman et al.
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patent: 4134101 (1979-01-01), Jones
patent: 4135246 (1979-01-01), McMannis
patent: 4142238 (1979-02-01), Brandt et al.
patent: 4159531 (1979-06-01), McGrath
patent: 4168525 (1979-09-01), Russell
patent: 4218871 (1980-08-01), Moritani et al.
patent: 4271402 (1981-06-01), Kastura et al.
patent: 4296409 (1981-10-01), Whitaker et al.

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