Patent US3116388A successfully refreshed from Google Patents.
US3116388A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit breaker trip assembly
Assignee: General Electric Co
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Filing: 1960-12-20
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Granted: 1963-12-31
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Expires: 1980-12-20
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles F Hobson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:56
CPC Classifications
H; H01; H01H; H01H83/00; H01H83/20; H01H89/00; H01H2089/005; H01H71/00; H01H71/10; H01H71/12; H01H71/14; H01H71/16; H01H71/164
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
196 words
AN ELECTRIC CIRCUIT BREAKER COMPRISING: (A) AN OUTER CASING OF INSULATING MATERIAL, (B) AT LEAST ONE PAIR OF RELATIVELY MOVABLE CONTACTS IN SAID CASING, (C) MANUALLY OPERABLE OPERATING MECHANISM WITHIN SAID CASING INCLUDING MEANS TO CAUSE AUTOMATIC OPENING OF SAID CIRCUIT BREAKER CONTACTS, (D) A SEPARATELY ENCLOSED TRIP UNIT REMOVABLY MOUNTED WITHIN SAID OUTER CASING CONTAINING TRIPPING MEANS MOVABLE TO INITIATE AUTOMATIC OPENING OPERATION OF SAID OPERATING MECHANISM, (E) SAID TRIP UNIT ENCLOSURE HAVING AN OPENING THEREIN IN THE SIDE THEREOF ADJACENT SAID OPERATING MECHANISM, (F) A TRIP OPERATING PLUNGER SLIDABLE IN SAID OPENING, SAID PLUNGER BEING SUPPORTED SOLELY AND DIRECTLY BY SAID TRIP UNIT CASING, SAID PLUNGER INCLUDING A FIRST PORTION EXTENDING WITHIN SAID TRIP UNIT ENCLOSURE AND DISPOSED AND ARRANGED TO ENGAGE SAID TRIPPING MEANS IN SAID TRIP UNIT AND A SECOND PORTION EXTENDING OUTSIDE OF SAID TRIP UNIT WITHIN SAID OUTER HOUSING ON THE SIDE OF SAID TRIP UNIT ADJACENT SAID OPERATING MECHANISM, (G) AND REMOTELY OPERABLE ACTUATING MEANS WITHIN SAID OUTER CASING AT THE SIDE OF SAID TRIP UNIT ADJACENT SAID OPERATING MECHANISM AND DISPOSED AND ARRANGED TO OPERATIVELY ENGAGE SAID OUTWARDLY EXTENDING PORTION OF SAID PLUNGER WITHOUT BEING POSITIVELY ATTACHED THERETO.
Claim 2
Dependent Claim
196 words
AN ELECTRIC CIRCUIT BREAKER COMPRISING: (A) AN OUTER CASING OF INSULATING MATERIAL, (B) AT LEAST ONE PAIR OF RELATIVELY MOVABLE CONTACTS IN SAID CASING, (C) MANUALLY OPERABLE OPERATING MECHANISM WITHIN SAID CASING INCLUDING MEANS TO CAUSE AUTOMATIC OPENING OF SAID CIRCUIT BREAKER CONTACTS, (D) A SEPARATELY ENCLOSED TRIP UNIT REMOVABLY MOUNTED WITHIN SAID OUTER CASING CONTAINING TRIPPING MEANS MOVABLE TO INITIATE AUTOMATIC OPENING OPERATION OF SAID OPERATING MECHANISM, (E) SAID TRIP UNIT ENCLOSURE HAVING AN OPENING THEREIN IN THE SIDE THEREOF ADJACENT SAID OPERATING MECHANISM, (F) A TRIP OPERATING PLUNGER SLIDABLE IN SAID OPENING, SAID PLUNGER BEING SUPPORTED SOLELY AND DIRECTLY BY SAID TRIP UNIT CASING, SAID PLUNGER INCLUDING A FIRST PORTION EXTENDING WITHIN SAID TRIP UNIT ENCLOSURE AND DISPOSED AND ARRANGED TO ENGAGE SAID TRIPPING MEANS IN SAID TRIP UNIT AND A SECOND PORTION EXTENDING OUTSIDE OF SAID TRIP UNIT WITHIN SAID OUTER HOUSING ON THE SIDE OF SAID TRIP UNIT ADJACENT SAID OPERATING MECHANISM, (G) AND REMOTELY OPERABLE ACTUATING MEANS WITHIN SAID OUTER CASING AT THE SIDE OF SAID TRIP UNIT ADJACENT SAID OPERATING MECHANISM AND DISPOSED AND ARRANGED TO OPERATIVELY ENGAGE SAID OUTWARDLY EXTENDING PORTION OF SAID PLUNGER WITHOUT BEING POSITIVELY ATTACHED THERETO.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-30 | 1967-07-01 | 1967-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-30 | 1971-07-01 | 1971-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-30 | 1975-07-01 | 1975-12-31 | $7700.00 | Window Closed / Lapsed |