US3265846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polarity reversing switch
Assignee: Electro-Coatings Inc
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Filing: 1964-06-15
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Granted: 1966-08-09
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Expires: 1984-06-15
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 03:29
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 |