US3223806A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermally controlled electrical switch having motion-amplifying lever means
Assignee: Individual
•
Filing: 1964-09-09
•
Granted: 1965-12-14
•
Expires: 1984-09-09
Abstract
No abstract record available.
Inventors
- 👤 Moro Antonio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:14
CPC Classifications
H; H01; H01H; H01H37/00; H01H37/02; H01H37/32; H01H37/52; H01H37/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
IN A THERMALLY CONTROLLED ELECTRICAL SWITCH HAVING A METALLIC HOUSING AND A COVER OF INSULATING MATERIAL, A MOVABLE CONTACT, A BIMETALLIC PLATE DISPOSED IN THE BASE OF THE HOUSING AND ADAPTED TO REVERSE ITS CURVATURE AT PREDETERMINED LIMITS OF TEMPERATURE OFF THE MEDIUM SURROUNDING THE PLATE, AN ARM CARRYING THE MOVABLE CONTACT, MEANS FOR TRANSMITTING MOTIONS OF THE BIMETALLIC PLATE TO THE ARM THEREBY TO MULTIPLY THE MOTION OF THE BIMETALLIC PLATE, AND A FIXED CONTACT; THE IMPROVEMENT COMPRISING TERMINALS CARRIED BY THE COVER, FLEXIBLE CONDUCTORS LEADING TO THE CONTACTS, AND SPIRAL SPRING MEANS IN ELECTRICAL CONTACT AT ONE END WITH THE TERMINALS AND AT THE OTHER END WITH SAID FLEXIBLE CONDUCTORS.
Claim 2
Dependent Claim
112 words
IN A THERMALLY CONTROLLED ELECTRICAL SWITCH HAVING A METALLIC HOUSING AND A COVER OF INSULATING MATERIAL, A MOVABLE CONTACT, A BIMETALLIC PLATE DISPOSED IN THE BASE OF THE HOUSING AND ADAPTED TO REVERSE ITS CURVATURE AT PREDETERMINED LIMITS OF TEMPERATURE OFF THE MEDIUM SURROUNDING THE PLATE, AN ARM CARRYING THE MOVABLE CONTACT, MEANS FOR TRANSMITTING MOTIONS OF THE BIMETALLIC PLATE TO THE ARM THEREBY TO MULTIPLY THE MOTION OF THE BIMETALLIC PLATE, AND A FIXED CONTACT; THE IMPROVEMENT COMPRISING TERMINALS CARRIED BY THE COVER, FLEXIBLE CONDUCTORS LEADING TO THE CONTACTS, AND SPIRAL SPRING MEANS IN ELECTRICAL CONTACT AT ONE END WITH THE TERMINALS AND AT THE OTHER END WITH SAID FLEXIBLE CONDUCTORS.
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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |