Patent US5704797A successfully refreshed from Google Patents.
← Back to Patent Explorer
US5704797A Expired / Lapsed US ⏱️ 0.0 years remaining

Switchable electrical socket

Assignee: TII Industries Inc
•
Filing: 1995-05-02
•
Granted: 1998-01-06
•
Expires: 2015-05-02
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A plug-actuated switchable electrical socket having at least one set of three electrical contacts, two of the three contacts being of a heavier wire gauge than the third contact, the insertion of a plug in the socket effecting a switching action between at least two of the three contacts.

Inventors

  • 👤 Carl H. Meyerhoefer
  • 👤 Thomas J. Smith
  • 👤 Adolfo M. Escobar
  • 👤 Robert J. Cannetti

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 20:20
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/66; H01R13/70; H01R13/703; H01R13/7031; H01R13/7032; H01R13/7033; H01R4/00; H01R4/24; H01R4/2416; H01R4/242; H01R4/2425; H01R4/2429; H01R4/2433; H04; H04M; H04M1/00; H04M1/738; H04M1/74; H04Q; H04Q1/00; H04Q1/02; H04Q1/021; H04Q1/023; H04Q1/028; H04Q1/11; H01R13/62; H01R13/629; H01R13/62933; H01R2201/00; H01R2201/16; H01R24/00; H01R24/60; H01R24/62

Claims Analysis

Total Claims: 19
Claim 1
Independent Claim 106 words
A socket adapted to receive a plug and having an electrical switch comprising: (a) a first pair of contacts; (b) a second pair of contacts; (c) a third pair of contacts, the first and second pairs of contacts each having greater current carrying capacity than the third pair of contacts; and (d) the first and second pairs of contacts being connected together in the absence of a plug in the socket, the first pair of contacts being disconnected from the second pair of contacts and the first pair of contacts being connected to the third pair of contacts when a plug is inserted in the socket.
Claim 2
Dependent Claim 106 words
A socket adapted to receive a plug and having an electrical switch comprising: (a) a first pair of contacts; (b) a second pair of contacts; (c) a third pair of contacts, the first and second pairs of contacts each having greater current carrying capacity than the third pair of contacts; and (d) the first and second pairs of contacts being connected together in the absence of a plug in the socket, the first pair of contacts being disconnected from the second pair of contacts and the first pair of contacts being connected to the third pair of contacts when a plug is inserted in the socket.
Claim 3
Dependent Claim 96 words
A socket adapted to receive a plug and having an electrical switch comprising: (a) a first pair of contacts; (b) a second pair of contacts; (c) a third pair of contacts, the first and second pairs of contacts each having greater current carrying capacity than the third pair of contacts; and (d) the first, second and third pairs of contacts not being connected to each other in the absence of a plug in the socket, but the first, second and third pairs of contacts being connected together when a dummy plug is inserted in the socket.
Claim 4
Dependent Claim 96 words
A socket adapted to receive a plug and having an electrical switch comprising: (a) a first pair of contacts; (b) a second pair of contacts; (c) a third pair of contacts, the first and second pairs of contacts each having greater current carrying capacity than the third pair of contacts; and (d) the first, second and third pairs of contacts not being connected to each other in the absence of a plug in the socket, but the first, second and third pairs of contacts being connected together when a dummy plug is inserted in the socket.
Claim 5
Dependent Claim 20 words
A device according to either claim 1 or claim 2 wherein the socket is adapted to receive an RJ-type plug.
Claim 6
Dependent Claim 20 words
A device according to either claim 1 or claim 2 wherein the socket is adapted to receive an RJ-11 plug.
Claim 7
Dependent Claim 39 words
A device according to either claim 1 or claim 2 wherein the first pair of contacts is adapted to be connected to telephone company wires and the second pair of contacts is adapted to be connected to subscriber wires.
Claim 8
Dependent Claim 36 words
A device according to either claim 1 or claim 2 wherein the first and second pairs of contacts each have a current carrying capacity at least as great as that of an equivalent 18 gauge wire.
Claim 9
Dependent Claim 36 words
A device according to either claim 1 or claim 2 wherein the first and second pairs of contacts each have a current carrying capacity at least as great as that of an equivalent 20 gauge wire.
Claim 10
Dependent Claim 138 words
A socket adapted to receive a plug and having an electrical switch comprising: (a) a first pair of contacts adapted to be connected to telephone company wires; (b) a second pair of contacts adapted to be connected to subscriber wires; (c) a third pair of contacts adapted to be connected to contacts on a plug when the plug is inserted in the socket, the first and second pairs of contacts each having greater current carrying capacity than the third pair of contacts; and (d) the first and second pairs of contacts being connected together in the absence of a plug in the socket, the first pair of contacts being disconnected from the second pair of contacts and the first pair of contacts being connected to the third pair of contacts when a plug is inserted in the socket.
Claim 11
Dependent Claim 138 words
A socket adapted to receive a plug and having an electrical switch comprising: (a) a first pair of contacts adapted to be connected to telephone company wires; (b) a second pair of contacts adapted to be connected to subscriber wires; (c) a third pair of contacts adapted to be connected to contacts on a plug when the plug is inserted in the socket, the first and second pairs of contacts each having greater current carrying capacity than the third pair of contacts; and (d) the first and second pairs of contacts being connected together in the absence of a plug in the socket, the first pair of contacts being disconnected from the second pair of contacts and the first pair of contacts being connected to the third pair of contacts when a plug is inserted in the socket.
Claim 12
Dependent Claim 16 words
A device according to claim 8 wherein the socket is adapted to receive an RJ-11 plug.
Claim 13
Dependent Claim 36 words
A device according to either claim 8 or claim 9 wherein the first and second pairs of contacts each have a current carrying capacity at least as great as that of an equivalent 18 gauge wire.
Claim 14
Dependent Claim 36 words
A device according to either claim 8 or claim 9 wherein the first and second pairs of contacts each have a current carrying capacity at least as great as that of an equivalent 20 gauge wire.
Claim 15
Dependent Claim 146 words
A socket adapted to receive a plug and having an electrical switch comprising: (a) a first pair of electrical contacts; (b) a second pair of electrical contacts; (c) a third pair of electrical contacts, the first and second pairs of contacts each having greater current carrying capacity than the third pair of contacts; (d) the first, second and third pairs of contacts not being connected to each other in the absence of a plug in the socket; (e) the first, second and third pairs of contacts being connected together when a dummy plug is inserted in the socket; and (f) the first and third pairs of contacts being connected together when an operational plug is inserted in the socket, but the second pair of contacts not being connected to either the first or third pairs of contacts when an operational plug is inserted in the socket.
Claim 16
Dependent Claim 146 words
A socket adapted to receive a plug and having an electrical switch comprising: (a) a first pair of electrical contacts; (b) a second pair of electrical contacts; (c) a third pair of electrical contacts, the first and second pairs of contacts each having greater current carrying capacity than the third pair of contacts; (d) the first, second and third pairs of contacts not being connected to each other in the absence of a plug in the socket; (e) the first, second and third pairs of contacts being connected together when a dummy plug is inserted in the socket; and (f) the first and third pairs of contacts being connected together when an operational plug is inserted in the socket, but the second pair of contacts not being connected to either the first or third pairs of contacts when an operational plug is inserted in the socket.
Claim 17
Dependent Claim 16 words
A device according to claim 12 wherein the socket is adapted to receive an RJ-11 plug.
Claim 18
Dependent Claim 30 words
A device according to claim 12 wherein the first and second pairs of contacts each have a current carrying capacity at least as great as an equivalent 18 gauge wire.
Claim 19
Dependent Claim 30 words
A device according to claim 12 wherein the first and second pairs of contacts each have a current carrying capacity at least as great as an equivalent 22 gauge wire.

References Cited (Backward Citations)

US3166649A Cited
US3536870A Cited
US4070557A Cited
US4087151A Cited
US4212047A Cited
US4179178A Cited
US4179173A Cited
US4224485A Cited
US4274691A Cited
US4457570A Cited
US4438303A Cited
US4373120A Cited
DE3121581A1 Cited
US4398784A Cited
GB2129630A Cited
US4695116A Cited
US4552423A Cited
US4588238A Cited
US4699443A Cited
US4633048A Cited
US4651340A Cited
US4647725A Cited
US4782480A Cited
USD291081S Cited
EP0232981A1 Cited
US4725241A Cited
US4700385A Cited
US4712232A Cited
US4715058A Cited
US4723919A Cited
US4823381A Cited
EP0271413A1 Cited
US5025345A Cited
US4747018A Cited
US4798542A Cited
US4829564A Cited
US4773878A Cited
US4915649A Cited
US4825466A Cited
USD315140S Cited
US4749359A Cited
US4782245A Cited
US4832614A Cited
US4945559A Cited
US4979209A Cited
US4937464A Cited
US5013877A Cited
US5173060A Cited
US4850888A Cited
USD313803S Cited
US4863393A Cited
US4865564A Cited
US4905119A Cited
USD313417S Cited
US5161183A Cited
US4952758A Cited
US5030123A Cited
US4954672A Cited
US5006675A Cited
USD324207S Cited
USD318653S Cited
US4949376A Cited
US5014299A Cited
US4932051A Cited
USD314385S Cited
US5004433A Cited
US4980909A Cited
US4988311A Cited
US5027100A Cited
US5131865A Cited
US5061204A Cited
US5127848A Cited
US5273449A Cited
US5127847A Cited
US5333193A Cited
US5313519A Cited
US5153910A Cited
US5080607A Cited
US5145356A Cited
US5089670A Cited
US5177782A Cited
US5083941A Cited
US5008772A Cited
US5074801A Cited
US5178554A Cited
US5092785A Cited
US5123854A Cited
US5108300A Cited
US5175662A Cited
US5235638A Cited
US5260994A Cited
US5153911A Cited
US5297199A Cited
US5233501A Cited
US5207583A Cited
US5296646A Cited
US5291553A Cited
US5277608A Cited
US5312273A Cited
US5266042A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2001-01-05 2001-07-07 2002-01-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2005-01-05 2005-07-07 2006-01-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2009-01-05 2009-07-07 2010-01-06 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag