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US3265846A Expired / Lapsed US ⏱️ 0.0 years remaining

Polarity reversing switch

Assignee: Electro-Coatings Inc
•
Filing: 1964-06-15
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Granted: 1966-08-09
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Expires: 1984-06-15
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Abstract

No abstract record available.

Inventors

  • 👤 Brchtel Hans
  • 👤 Sidney D Lapham
  • 👤 Howard L Knutson
  • 👤 Lewis C Tompkins

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 13:52
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/002; C; C25; C25D; C25D17/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 113 words
A HIGH AMPERAGE POLARITY REVERSING SWITCH MOUNTED ON A BASE FOR REVERSING CURRENT TO AN ELECTROMECHANICAL TANK, COMPRISING: A STATIONARY MEMBER HAVING TWO PAIRS OF EXTERNAL TERMINALS, A MOVABLE MEMBER HAVING INTERNAL TERMINAL ENGAGING CONDUCTORS OPERABLE IN A FIRST POSITION TO FORM A CIRCUIT BETWEEN PAIRS OF SAID TERMINALS AND WHEN IN A SECOND POSITION TO FORM A CIRCUIT BETWEEN DIFFERENT PAIRS OF SAID TERMINALS, AND CONTACT ENGAING MEANS AXIALLY ALIGNED RELATIVE TO SAID BASE FOR SELECTIVELY ENGAGING AND DISENGAGING SAID MEMBERS IN CIRCUIT FORMING POSITIONS, WHEREBY THE FLOW OF CURRENT THROUGH SAID SWITCH IS REVERSED WHEN THE POSITION OF SAID MOVABLE MEMBER IS CHANGED FROM SAID FIRST POSITION TO SAID SECOND POSITION.
Claim 2
Dependent Claim 113 words
A HIGH AMPERAGE POLARITY REVERSING SWITCH MOUNTED ON A BASE FOR REVERSING CURRENT TO AN ELECTROMECHANICAL TANK, COMPRISING: A STATIONARY MEMBER HAVING TWO PAIRS OF EXTERNAL TERMINALS, A MOVABLE MEMBER HAVING INTERNAL TERMINAL ENGAGING CONDUCTORS OPERABLE IN A FIRST POSITION TO FORM A CIRCUIT BETWEEN PAIRS OF SAID TERMINALS AND WHEN IN A SECOND POSITION TO FORM A CIRCUIT BETWEEN DIFFERENT PAIRS OF SAID TERMINALS, AND CONTACT ENGAING MEANS AXIALLY ALIGNED RELATIVE TO SAID BASE FOR SELECTIVELY ENGAGING AND DISENGAGING SAID MEMBERS IN CIRCUIT FORMING POSITIONS, WHEREBY THE FLOW OF CURRENT THROUGH SAID SWITCH IS REVERSED WHEN THE POSITION OF SAID MOVABLE MEMBER IS CHANGED FROM SAID FIRST POSITION TO SAID SECOND POSITION.

References Cited (Backward Citations)

US706084A Cited
US1675114A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-08-08 1970-02-07 1970-08-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-08-08 1974-02-07 1974-08-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-08-08 1978-02-07 1978-08-09 $7700.00 Window Closed / Lapsed

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