Patent US1694749A successfully refreshed from Google Patents.
US3147356A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuits for switches having series connected interrupter sections
Assignee: Joslyn Manufacturing and Supply Co
•
Filing: 1961-03-15
•
Granted: 1964-09-01
•
Expires: 1981-03-15
Abstract
No abstract record available.
Inventors
- 👤 Elmer L Luehring
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:01
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/60; H01H33/66; H01H33/666; H01H33/02; H01H33/04; H01H33/16; H01H33/14; H01H2033/146
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
IN SWITCH MECHANISM OF THE TYPE HAVING PLURAL SERIES CONNECTED INTERRUPTER CONTACT PAIRS, A PLURALITY OF VOLTAGE DIVIDING CAPACITORS AT LEAST EQUAL IN NUMBER TO THE NUMBER OF CONTACT PAIRS AND RESPECTIVELY ARRANGED IN SHUNT AROUND THE VARIOUS CONTACT PAIRS AND PROVIDED ADDITIONAL TO THE INHERENT STRAY CAPACITANCE OF THE RESPECTIVE CONTACT PAIRS, AND PLURAL RESISTORS AT LEAST EQUAL IN NUMBER TO THE NUMBER OF CONTACT PAIRS AND PROVIDED ADDITIONAL TO INHERENT LEAKAGE RESISTANCE AND RESPECTIVELY ARRANGED AT LEAST ONE SEPARATELY AND PERMANENTLY IN SERIES WITH EACH UNIT OF VOLTAGE DIVIDING CAPACITORS WITH EACH SUCH RESISTANCE
Claim 2
Dependent Claim
96 words
IN SWITCH MECHANISM OF THE TYPE HAVING PLURAL SERIES CONNECTED INTERRUPTER CONTACT PAIRS, A PLURALITY OF VOLTAGE DIVIDING CAPACITORS AT LEAST EQUAL IN NUMBER TO THE NUMBER OF CONTACT PAIRS AND RESPECTIVELY ARRANGED IN SHUNT AROUND THE VARIOUS CONTACT PAIRS AND PROVIDED ADDITIONAL TO THE INHERENT STRAY CAPACITANCE OF THE RESPECTIVE CONTACT PAIRS, AND PLURAL RESISTORS AT LEAST EQUAL IN NUMBER TO THE NUMBER OF CONTACT PAIRS AND PROVIDED ADDITIONAL TO INHERENT LEAKAGE RESISTANCE AND RESPECTIVELY ARRANGED AT LEAST ONE SEPARATELY AND PERMANENTLY IN SERIES WITH EACH UNIT OF VOLTAGE DIVIDING CAPACITORS WITH EACH SUCH RESISTANCE
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) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |