US2676146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Differential meter
Assignee: United States Steel Corp
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Filing: 1950-12-13
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Granted: 1954-04-20
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Expires: 1970-12-13
Abstract
No abstract record available.
Inventors
- 👤 George H Rendel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:28
CPC Classifications
G; G01; G01B; G01B7/00; G01B7/02; G01B7/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
229 words
APPARATUS FOR DETERMINING THE PROPORTION OF METAL DEPOSITED ON EACH SIDE OF A STRIP PASSING OVER A CONDUCTOR ROLL AND BETWEEN ANODES WHICH COMPRISES MEANS FOR SUPPLYING PLATING CURRENT TO THE ANOLDES ON EACH SIDE OF THE STRIP, MEANS FOR OBTAINING A POTENTIAL PROPORTIONAL TO THE PLATING CURRENT SUPPLIED TO THE ANODES ON ONE SIDE OF THE STRIP, MEANS FOR OBTAINING A POTENTIAL PROPORTIONAL TO THE PLATING CURRENT SUPPLIED TO THE ANODES ON THE OTHER SIDE OF THE STRIP, A PAIR OF POTENTIOMETERS EACH HAVING AN OPERATING ARM, MEANS ELECTRICALLY CONNECTING ONE TERMINAL OF ONE POTENTIOMETER TO THE LIKE TERMINAL OF THE OTHER POTENTIOMETER, MEANS ELECTRICALLY OCNNECTING THE FIRST NAMED MEANS ACROSS ONE OF SAID POTENTIOMETERS, MEANS ELECTRICALLY CONNECTING THE SECOND NAMED MEANS ACROSS THE OTHER POTENTIOMETER, A REVERSIBLE MOTOR HAVING A CONTROL WINDING, MECHANICAL CONNECTIONS BETWEEN SAID MOTOR AND SAID ARMS, AN INDICATOR, AN ARM FOR SAID INDICATOR MECHANICALLY CONNECTED ACROSS SAID MOTOR, A CONVETER HAVING A VIBRATING CONTACT AND TWO STATIONARY CONTACTS, A TRANSFORMER HAVING A CENTRE TAPPED PRIMARY WINDING, MEANS ELECTRICALLY CONNECTING THE ENDS OF SAID PRIMARY WINDING TO SAID STATIONARY CONTACTS, MEANS ELECTRICALLY CONNECTING ONE OF SAID ARMS TO THE VIBRATING CONTACT, MEANS ELECTRICALLY CONNECTING THE OTHER OF SAID ARM TO THE CENTER TAP OF SAID PRIMARY WINDING, AND MEANS ELECTRICALLY CONNECTING THE SECONDARY WINDING OF SAID TRANSFORMER TO THE CONTROL WINDING OF SAID MOTOR.
Claim 2
Dependent Claim
229 words
APPARATUS FOR DETERMINING THE PROPORTION OF METAL DEPOSITED ON EACH SIDE OF A STRIP PASSING OVER A CONDUCTOR ROLL AND BETWEEN ANODES WHICH COMPRISES MEANS FOR SUPPLYING PLATING CURRENT TO THE ANOLDES ON EACH SIDE OF THE STRIP, MEANS FOR OBTAINING A POTENTIAL PROPORTIONAL TO THE PLATING CURRENT SUPPLIED TO THE ANODES ON ONE SIDE OF THE STRIP, MEANS FOR OBTAINING A POTENTIAL PROPORTIONAL TO THE PLATING CURRENT SUPPLIED TO THE ANODES ON THE OTHER SIDE OF THE STRIP, A PAIR OF POTENTIOMETERS EACH HAVING AN OPERATING ARM, MEANS ELECTRICALLY CONNECTING ONE TERMINAL OF ONE POTENTIOMETER TO THE LIKE TERMINAL OF THE OTHER POTENTIOMETER, MEANS ELECTRICALLY OCNNECTING THE FIRST NAMED MEANS ACROSS ONE OF SAID POTENTIOMETERS, MEANS ELECTRICALLY CONNECTING THE SECOND NAMED MEANS ACROSS THE OTHER POTENTIOMETER, A REVERSIBLE MOTOR HAVING A CONTROL WINDING, MECHANICAL CONNECTIONS BETWEEN SAID MOTOR AND SAID ARMS, AN INDICATOR, AN ARM FOR SAID INDICATOR MECHANICALLY CONNECTED ACROSS SAID MOTOR, A CONVETER HAVING A VIBRATING CONTACT AND TWO STATIONARY CONTACTS, A TRANSFORMER HAVING A CENTRE TAPPED PRIMARY WINDING, MEANS ELECTRICALLY CONNECTING THE ENDS OF SAID PRIMARY WINDING TO SAID STATIONARY CONTACTS, MEANS ELECTRICALLY CONNECTING ONE OF SAID ARMS TO THE VIBRATING CONTACT, MEANS ELECTRICALLY CONNECTING THE OTHER OF SAID ARM TO THE CENTER TAP OF SAID PRIMARY WINDING, AND MEANS ELECTRICALLY CONNECTING THE SECONDARY WINDING OF SAID TRANSFORMER TO THE CONTROL WINDING OF SAID MOTOR.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-19 | 1957-10-19 | 1958-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-19 | 1961-10-19 | 1962-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-19 | 1965-10-19 | 1966-04-20 | $7700.00 | Window Closed / Lapsed |