US3213243A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal overload relay with reset means
Assignee: Westinghouse Electric Corp
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Filing: 1962-06-21
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Granted: 1965-10-19
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Expires: 1982-06-21
Abstract
No abstract record available.
Inventors
- 👤 Paul T Anderson
- 👤 James B Ramsey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:17
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/04; H01H71/10; H01H71/12; H01H71/14; H01H71/16; H01H71/162; H01H71/74; H01H71/7409; H01H73/00; H01H73/22; H01H73/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
AN ELECTRIC CONTROL DEVICE COMPRISING, IN COMBINATION, A HOUSING, A FIRST RELATIVELY STATIONARY CONTACT SUPPORTED IN SAID HOUSING, A MOVABLY CONTACT STRUCTURE SUPPORTED IN SAID HOUSING IN AN INITIAL POSITION ENGAGING SAID FIRST RELATIVELY STATIONARY CONTACT, A SECOND RELATIVELY STATIONARY CONTACT SUPPORTED IN SAID HOUSING, CURRENT RESPONSIVE MEANS SUPPORTED IN SAID HOUSING AND OPERABLE UPON THE OCCURRENCE OF CERTAIN CURRENT CONDITIONS TO AUTOMATICALLY EFFECT MOVEMENT OF SAID MOVABLE CONTACT STRUCTURE TO AN ACTUATED POSITION OUT OF ENGAGEMENT WITH SAID FIRST RELATIVELY STATIONARY CONTACT AND IN ENGAGEMENT WITH SAID SECOND RELATIVELY STATIONARY CONTACT, AND RESET MEANS SUPPORTED ON SAID HOUSING AND OPERABLE TO ACTUATE SAID SECOND RELATIVELY STATIONARY CONTACT TO EFFECT MOVEMENT OF SAID MOVABLE CONTACT STRUCTURE BACK TO SAID INITIAL POSITION.
Claim 2
Dependent Claim
121 words
AN ELECTRIC CONTROL DEVICE COMPRISING, IN COMBINATION, A HOUSING, A FIRST RELATIVELY STATIONARY CONTACT SUPPORTED IN SAID HOUSING, A MOVABLY CONTACT STRUCTURE SUPPORTED IN SAID HOUSING IN AN INITIAL POSITION ENGAGING SAID FIRST RELATIVELY STATIONARY CONTACT, A SECOND RELATIVELY STATIONARY CONTACT SUPPORTED IN SAID HOUSING, CURRENT RESPONSIVE MEANS SUPPORTED IN SAID HOUSING AND OPERABLE UPON THE OCCURRENCE OF CERTAIN CURRENT CONDITIONS TO AUTOMATICALLY EFFECT MOVEMENT OF SAID MOVABLE CONTACT STRUCTURE TO AN ACTUATED POSITION OUT OF ENGAGEMENT WITH SAID FIRST RELATIVELY STATIONARY CONTACT AND IN ENGAGEMENT WITH SAID SECOND RELATIVELY STATIONARY CONTACT, AND RESET MEANS SUPPORTED ON SAID HOUSING AND OPERABLE TO ACTUATE SAID SECOND RELATIVELY STATIONARY CONTACT TO EFFECT MOVEMENT OF SAID MOVABLE CONTACT STRUCTURE BACK TO SAID INITIAL POSITION.
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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) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |