Patent US3296389A successfully refreshed from Google Patents.
US3296389A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Positive action switch with improved resiliently biased stationary contact and associated bridging contact structure
Assignee: Cutler Hammer Inc
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Filing: 1966-03-16
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Granted: 1967-01-03
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Expires: 1986-03-16
Abstract
No abstract record available.
Inventors
- 👤 Harold W Hults
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:59
CPC Classifications
H; H01; H01H; H01H15/00; H01H15/02; H01H15/06; H01H23/00; H01H23/02; H01H23/12; H01H23/16; H01H23/164
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
IN AN ELECTRIC SWITCH, THE COMBINATION COMPRISING: AN INSULATING BASE; STATIONARY CONTACTS MOUNTED IN SAID BASE IN SPACED APART RELATION; A MOVABLE BRIDGING CONTACT; AN ACTUATOR BLOCK MOUNTED FOR SLIDING MOVEMENT ALONG SAID BASE AND HAVING SAID MOVABLE BRIDGING CONTACT RIGIDLY SECURED THERETO TO PROJECT THEREFROM SO THAT IT ENTERS INTO SLIDING ENGAGEMENT BETWEEN A PAIR OF SAID STATIONARY CONTACTS WHEN SAID ACTUATOR BLOCK IS MOVED; A MANUALLY OPERABLE LEVER; MEANS PROVIDING AN UNYIELDING CONNECTION FOR AT LEAST A PORTION OF THE MOVEMENT OF SAID LEVER TO TRANSMIT POSITIVE FORCE FOR CLOSING OR OPENING THE CONTACTS IN THE EVENT THEY STICK OR WELD;
Claim 2
Dependent Claim
103 words
IN AN ELECTRIC SWITCH, THE COMBINATION COMPRISING: AN INSULATING BASE; STATIONARY CONTACTS MOUNTED IN SAID BASE IN SPACED APART RELATION; A MOVABLE BRIDGING CONTACT; AN ACTUATOR BLOCK MOUNTED FOR SLIDING MOVEMENT ALONG SAID BASE AND HAVING SAID MOVABLE BRIDGING CONTACT RIGIDLY SECURED THERETO TO PROJECT THEREFROM SO THAT IT ENTERS INTO SLIDING ENGAGEMENT BETWEEN A PAIR OF SAID STATIONARY CONTACTS WHEN SAID ACTUATOR BLOCK IS MOVED; A MANUALLY OPERABLE LEVER; MEANS PROVIDING AN UNYIELDING CONNECTION FOR AT LEAST A PORTION OF THE MOVEMENT OF SAID LEVER TO TRANSMIT POSITIVE FORCE FOR CLOSING OR OPENING THE CONTACTS IN THE EVENT THEY STICK OR WELD;
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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |