US3248627A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical control device
Assignee: Texas Instruments Inc
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Filing: 1964-11-13
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Granted: 1966-04-26
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Expires: 1984-11-13
Abstract
No abstract record available.
Inventors
- 👤 James E Shockroo
- 👤 Joseph L Mcmorrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:36
CPC Classifications
H; H01; H01H; H01H37/00; H01H37/02; H01H37/32; H01H37/52; H01H37/54; A; A01; A01B; A01B9/00; A01B9/003; H01H50/00; H01H50/16; H01H50/18; H01H50/20; H01H61/00; H01H61/002; H01H81/00; H01H81/02; H01H83/00; H01H83/02; H01H2037/5463
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
181 words
AN ELECTRICAL SWITCHING DEVICE FOR CONTROLLING AN ELECTRICAL ENERGY-TRANSLATING DEVICE HAVING AT LEAST TWO WINDINGS; SAID SWITCHING DEVICE COMPRISING A PAIR OF ELECTRICAL CONTACTS FOR CONTROLLING A CIRCUIT FOR ONE OF SAID WINDINGS; SAID SWITCHING DEVICE INCLUDING A COIL AND AN ARMATURE ASSOCIATED IN A MAGNETIC CIRCUIT WITH SAID COIL; SAID ARMATURE MOUNTED TO ACTUATE SAID CONTACTS WHEN SAID COIL IS ENERGIZED BY A PREDETERMINED FLOW OF ELECTRICAL CURRENT THERETHROUGH; SAID SWITCHING DEVICE INCLUDING A FURTHER PAIR OF ELECTRICAL CONTACTS; ONE OF SAID FURTHER PAIR OF ELECTRICAL CONTACTS BEING ELECTRICALLY CONNECTED WITH SAID COIL; A THERMALLY RESPONSIVE ELEMENT ELECTRICALLY CONNECTED TO AND MOUNTING ONE OF SAID FURTHER PAIR OF ELECTRICAL CONTACTS FOR MOVEMENT INTO AND OUT OF ENGAGEMENT WITH THE OTHER OF SAID FURTHER PAIR OF ELECTRICAL CONTACTS AT PREDETERMINED TEMPERATURE AND CURRENT CONDITIONS; SAID COIL BEING ELECTRICALLY CONNECTABLE IN SERIES WITH THE OTHER OF SAID WINDINGS; AND SAID ELEMENT MOUNTED IN NON HEAT CONDUCTIVE, SPACED RELATION TO SAID COIL TO RECEIVE HEAT THEREFROM BY RADIATION AND CONVECTION WHEREBY SAID COIL ACTS AS AN ELECTRICAL HEATER FOR SAID THERMALLY RESPONSIVE ELEMENT.
Claim 2
Dependent Claim
181 words
AN ELECTRICAL SWITCHING DEVICE FOR CONTROLLING AN ELECTRICAL ENERGY-TRANSLATING DEVICE HAVING AT LEAST TWO WINDINGS; SAID SWITCHING DEVICE COMPRISING A PAIR OF ELECTRICAL CONTACTS FOR CONTROLLING A CIRCUIT FOR ONE OF SAID WINDINGS; SAID SWITCHING DEVICE INCLUDING A COIL AND AN ARMATURE ASSOCIATED IN A MAGNETIC CIRCUIT WITH SAID COIL; SAID ARMATURE MOUNTED TO ACTUATE SAID CONTACTS WHEN SAID COIL IS ENERGIZED BY A PREDETERMINED FLOW OF ELECTRICAL CURRENT THERETHROUGH; SAID SWITCHING DEVICE INCLUDING A FURTHER PAIR OF ELECTRICAL CONTACTS; ONE OF SAID FURTHER PAIR OF ELECTRICAL CONTACTS BEING ELECTRICALLY CONNECTED WITH SAID COIL; A THERMALLY RESPONSIVE ELEMENT ELECTRICALLY CONNECTED TO AND MOUNTING ONE OF SAID FURTHER PAIR OF ELECTRICAL CONTACTS FOR MOVEMENT INTO AND OUT OF ENGAGEMENT WITH THE OTHER OF SAID FURTHER PAIR OF ELECTRICAL CONTACTS AT PREDETERMINED TEMPERATURE AND CURRENT CONDITIONS; SAID COIL BEING ELECTRICALLY CONNECTABLE IN SERIES WITH THE OTHER OF SAID WINDINGS; AND SAID ELEMENT MOUNTED IN NON HEAT CONDUCTIVE, SPACED RELATION TO SAID COIL TO RECEIVE HEAT THEREFROM BY RADIATION AND CONVECTION WHEREBY SAID COIL ACTS AS AN ELECTRICAL HEATER FOR SAID THERMALLY RESPONSIVE ELEMENT.
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) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |