Patent ID: 8776595

Claim:
A liquid level sensor component comprising: (a) a first elongated, insulated substrate having an inner resistive elongated closed loop having first and second resistive elongated legs formed thereon along the length of said first elongated insulated substrate and positioned between first and second resistive elongated legs of an outer resistive elongated closed loop formed thereon along the length of said first elongated insulated substrate; (b) a second elongated insulated substrate having an elongated strip of an electrically conductive material thereon positioned over the first and second resistive elongated legs of the inner resistive elongated closed loop but not over the first and second resistive elongated legs of the outer resistive elongated closed loop; and wherein (c) said first and second insulated substrates are coupled together face to face by a coupling member in a manner providing separation of said first and second insulated substrates in the absence of hydrostatic pressure thereon, and for causing conductive bridging contact by said elongated strip of an electrically conductive material contacting the first and second resistive elongated legs of the inner resistive elongated loop, but not contacting the first and second resistive elongated second legs of the outer resistive elongated loop, in the presence of hydrostatic pressure thereon.