US3142732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ganged multipole circuit breaker
Assignee: Texas Instruments Inc
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Filing: 1961-12-01
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Granted: 1964-07-28
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Expires: 1981-12-01
Abstract
No abstract record available.
Inventors
- 👤 David E Clarke
- 👤 Lawrence E Cooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:15
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/1009; H01H71/50; H01H71/58; H01H73/00; H01H73/22; H01H73/30; H01H71/505; H01H2071/506
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
189 words
A MULTIPOLE CIRCUIT BREAKER COMPRISING A PLURALITY OF INDIVIDUAL ELECTRIC CIRCUIT BREAKER UNITS SECURED TOGETHER IN AN ADJACENT RELATIONSHIP; EACH OF SAID CIRCUIT BREAKER UNITS INCLUDING A HOUSING; RELATIVELY MOVABLE CONTACT MEANS IN EACH HOUSING FOR OPENING AND CLOSING A CIRCUIT THROUGH ITS RESPECTIVE UNIT; TRIP MEANS IN EACH HOUSING FOR AUTOMATICALLY OPENING SAID CONTACT MEANS AT PREDETERMINED CONDITIONS TO DE-ENERGIZE THE CIRCUIT THROUGH SAID UNIT; EACH OF SAID UNITS BEING ELECTRICALLY CONNECTABLE IN A SEPARATE CIRCUIT; EACH OF SAID INDIVIDUAL UNITS HAVING A MANUALLY OPERABLE ACTUATING MEMBER EXTENDING EXTERNALLY THEREOF FOR MANUAL ACTUATION OF THE CONTACT MEANS OF ITS RESPECTIVE UNIT; COMMON MANUALLY OPERABLE ACTUATING MEANS ON SAID MULTIPOLE CIRCUIT BREAKER INCLUDING A FIRST MEMBER MOVABLE RELATIVE TO AND AGAINST EACH OF SAID INDIVIDUAL MANUALLY OPERABLE ACTUATING MEMBERS FOR MOVEMENT THEREOF IN A CONTACTS-CLOSING DIRECTION TO CLOSE THE CONTACT MEANS OF EACH OF SAID INDIVIDUAL CIRCUIT BREAKER UNITS; SAID COMMON ACTUATING MEANS INCLUDING A SECOND MEMBER MOVABLE RELATIVE TO AND AGAINST EACH OF SAID INDIVIDUAL MANUALLY OPERABLE ACTUATING MEMBERS, SAID SECOND MEMBER HAVING PORTIONS FOR GRIPPING ENGAGEMENT WITH EACH OF SAID INDIVIDUAL MANUALLY OPERABLE ACTUATING MEMBERS FOR MOVEMENT
Claim 2
Dependent Claim
189 words
A MULTIPOLE CIRCUIT BREAKER COMPRISING A PLURALITY OF INDIVIDUAL ELECTRIC CIRCUIT BREAKER UNITS SECURED TOGETHER IN AN ADJACENT RELATIONSHIP; EACH OF SAID CIRCUIT BREAKER UNITS INCLUDING A HOUSING; RELATIVELY MOVABLE CONTACT MEANS IN EACH HOUSING FOR OPENING AND CLOSING A CIRCUIT THROUGH ITS RESPECTIVE UNIT; TRIP MEANS IN EACH HOUSING FOR AUTOMATICALLY OPENING SAID CONTACT MEANS AT PREDETERMINED CONDITIONS TO DE-ENERGIZE THE CIRCUIT THROUGH SAID UNIT; EACH OF SAID UNITS BEING ELECTRICALLY CONNECTABLE IN A SEPARATE CIRCUIT; EACH OF SAID INDIVIDUAL UNITS HAVING A MANUALLY OPERABLE ACTUATING MEMBER EXTENDING EXTERNALLY THEREOF FOR MANUAL ACTUATION OF THE CONTACT MEANS OF ITS RESPECTIVE UNIT; COMMON MANUALLY OPERABLE ACTUATING MEANS ON SAID MULTIPOLE CIRCUIT BREAKER INCLUDING A FIRST MEMBER MOVABLE RELATIVE TO AND AGAINST EACH OF SAID INDIVIDUAL MANUALLY OPERABLE ACTUATING MEMBERS FOR MOVEMENT THEREOF IN A CONTACTS-CLOSING DIRECTION TO CLOSE THE CONTACT MEANS OF EACH OF SAID INDIVIDUAL CIRCUIT BREAKER UNITS; SAID COMMON ACTUATING MEANS INCLUDING A SECOND MEMBER MOVABLE RELATIVE TO AND AGAINST EACH OF SAID INDIVIDUAL MANUALLY OPERABLE ACTUATING MEMBERS, SAID SECOND MEMBER HAVING PORTIONS FOR GRIPPING ENGAGEMENT WITH EACH OF SAID INDIVIDUAL MANUALLY OPERABLE ACTUATING MEMBERS FOR MOVEMENT
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) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |