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US3320431A Expired / Lapsed US ⏱️ 0.0 years remaining

Multi-station variable timing apparatus

Assignee: Individual
•
Filing: 1963-12-26
•
Granted: 1967-05-16
•
Expires: 1983-12-26
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Abstract

No abstract record available.

Inventors

  • 👤 Bough Bjorn N De
  • 👤 Basil C Porrelli

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 00:01
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/28; H03K17/292

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 169 words
A CURRENT CONTROL APPARATUS COMPRISING IN COMBINATION; FIRST AND SECOND SOLENOIDS; CURRENT GATING MEANS COUPLED WITH SAID FIRST SOLENOID HAVING A PLURALITY OF SIGNAL OUTPUT TERMINALS AND RESPONSIVE TO REPEATED ENERGIZATION OF SAID FIRST SOLENOID TO CAUSE SEQUENTIAL ENERGIZATION OF SAID TERMINALS; A PLURALITY OF LOAD MEANS INDIVIDUALLY CONNECTED TO DIFFERENT ONES OF SAID TERMINALS; A PLURALITY OF INDIVIDUALLY VARIABLE RESISTIVE IMPEDANCE ELEMENTS; MEANS CONNECTING EACH OF SAID ELEMENTS TO ONE OF SAID TERMINALS; CURRENT CONTROL MEANS CONNECTED IN SERIES CIRCUIT WITH SAID FIRST SOLENOID; A TIMING CAPACITOR; MEANS CONNECTING SAID CAPACITOR TO EACH OF SAID ELEMENTS; VOLTAGE RESPONSIVE MEANS CONNECTED TO SAID CAPACITOR AND TO SAID CURRENT CONTROL MEANS RESPONSIVE TO A PREDETERMINED VOLTAGE ON SAID CAPACITOR TO RENDER SAID CURRENT CONTROL MEANS CONDUCTIVE; FIRST AND SECOND SWITCH MEANS CONNECTED IN SERIES CIRCUIT WITH SAID CAPACITOR AND ADAPTED WHEN CLOSED TO APPLY SAID PREDETERMINED VOLTAGE THERETO; TIMING MEANS COUPLED WITH SAID FIRST SWITCH MEANS AND ADAPTED TO CONTROL THE TIME DURING WHICH SAID FIRST SWITCH MEANS IS CLOSED;
Claim 2
Dependent Claim 169 words
A CURRENT CONTROL APPARATUS COMPRISING IN COMBINATION; FIRST AND SECOND SOLENOIDS; CURRENT GATING MEANS COUPLED WITH SAID FIRST SOLENOID HAVING A PLURALITY OF SIGNAL OUTPUT TERMINALS AND RESPONSIVE TO REPEATED ENERGIZATION OF SAID FIRST SOLENOID TO CAUSE SEQUENTIAL ENERGIZATION OF SAID TERMINALS; A PLURALITY OF LOAD MEANS INDIVIDUALLY CONNECTED TO DIFFERENT ONES OF SAID TERMINALS; A PLURALITY OF INDIVIDUALLY VARIABLE RESISTIVE IMPEDANCE ELEMENTS; MEANS CONNECTING EACH OF SAID ELEMENTS TO ONE OF SAID TERMINALS; CURRENT CONTROL MEANS CONNECTED IN SERIES CIRCUIT WITH SAID FIRST SOLENOID; A TIMING CAPACITOR; MEANS CONNECTING SAID CAPACITOR TO EACH OF SAID ELEMENTS; VOLTAGE RESPONSIVE MEANS CONNECTED TO SAID CAPACITOR AND TO SAID CURRENT CONTROL MEANS RESPONSIVE TO A PREDETERMINED VOLTAGE ON SAID CAPACITOR TO RENDER SAID CURRENT CONTROL MEANS CONDUCTIVE; FIRST AND SECOND SWITCH MEANS CONNECTED IN SERIES CIRCUIT WITH SAID CAPACITOR AND ADAPTED WHEN CLOSED TO APPLY SAID PREDETERMINED VOLTAGE THERETO; TIMING MEANS COUPLED WITH SAID FIRST SWITCH MEANS AND ADAPTED TO CONTROL THE TIME DURING WHICH SAID FIRST SWITCH MEANS IS CLOSED;

References Cited (Backward Citations)

US2444210A Cited
US3200303A Cited
US3119021A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-05-15 1970-11-14 1971-05-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-05-15 1974-11-14 1975-05-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-05-15 1978-11-14 1979-05-16 $7700.00 Window Closed / Lapsed

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