US3206573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermo-magnetic control comprising a thermo-influenced magnetic element and a permanent magnet
Assignee: American Radiator and Standard Sanitary Corp
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Filing: 1961-11-14
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Granted: 1965-09-14
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Expires: 1981-11-14
Abstract
No abstract record available.
Inventors
- 👤 Maynard E Anderson
- 👤 Chapa John
- 👤 Melvin W Polkinghorn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:13
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/16; H01H50/36; H01H37/00; H01H37/02; H01H37/32; H01H37/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
IN A TEMPERATURE RESPONSIVE SWITCH, THE IMPROVEMENT COMPRISING A DIELECTRIC BASE; A CONTACT FIXEDCLY DISPOSED ON SAID BASE; AN ELONGATED CONTACT LEAF SWINGABLY MOUNTED ON SAID BASE FOR MOVEMENT TOWARD AND AWAY FROM THE FIXED CONTACT TO CONTROL THE FLOW OF CURRENT THEREACROSS; A RIGID HEAT-CONDUCTION COVER STRUCTURE MOUNTED ON SAID DIELECTRIC BASE; SAID COVER STRUCTURE BEING CONFIGURED TO DEFINE A CUP-SHAPED POCKET FACING THE BASE; AN IMMOVABLE THERMALLY INFLUENCED MAGNETIC DISC ENGAGED WITH THE COVER STRUCTURE AND SNUGLY FITTING WITHIN THE POCKET TO RESPOND TO EXTERNAL TERMPATRUE CHANGE; AND A PERMANENT MAGNET CARRIED BY THE CONTACT LEAF IN OPERATIVE REGISTRY WITH THE MAGNETIC DISC SO THAT TEMPERATURE CHANGE IN SAID DISC EFFECTS SWINGING MOVEMENT OF THE CONTACT LEAF.
Claim 2
Dependent Claim
119 words
IN A TEMPERATURE RESPONSIVE SWITCH, THE IMPROVEMENT COMPRISING A DIELECTRIC BASE; A CONTACT FIXEDCLY DISPOSED ON SAID BASE; AN ELONGATED CONTACT LEAF SWINGABLY MOUNTED ON SAID BASE FOR MOVEMENT TOWARD AND AWAY FROM THE FIXED CONTACT TO CONTROL THE FLOW OF CURRENT THEREACROSS; A RIGID HEAT-CONDUCTION COVER STRUCTURE MOUNTED ON SAID DIELECTRIC BASE; SAID COVER STRUCTURE BEING CONFIGURED TO DEFINE A CUP-SHAPED POCKET FACING THE BASE; AN IMMOVABLE THERMALLY INFLUENCED MAGNETIC DISC ENGAGED WITH THE COVER STRUCTURE AND SNUGLY FITTING WITHIN THE POCKET TO RESPOND TO EXTERNAL TERMPATRUE CHANGE; AND A PERMANENT MAGNET CARRIED BY THE CONTACT LEAF IN OPERATIVE REGISTRY WITH THE MAGNETIC DISC SO THAT TEMPERATURE CHANGE IN SAID DISC EFFECTS SWINGING MOVEMENT OF THE CONTACT LEAF.
References Cited (Backward Citations)
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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) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |