Patent US3382408A successfully refreshed from Google Patents.
US3382408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Touch control circuit
Assignee: Cooper Industries LLC
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Filing: 1966-10-21
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Granted: 1968-05-07
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Expires: 1986-10-21
Abstract
No abstract record available.
Inventors
- 👤 Carl E Atkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:19
CPC Classifications
A; A61; A61B; A61B1/00; A61B1/24; A61B1/247; A61B1/00002; A61B1/00039; A61B1/00042; A61B1/06; A61B1/0661; A61B1/0669; A61C; A61C1/00; A61C1/08; A61C1/088; F; F21; F21V; F21V23/00; F21V23/04; H; H03; H03K; H03K17/00; H03K17/94; H03K17/96; H03K17/962; Y; Y10; Y10S; Y10S362/00; Y10S362/802
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
THE COMBINATION WITH A LAMP INSTALLED IN A HANDLE TO BE HELD BY AN OPERATOR OF A CONTROL CIRCUIT FOR THE LAMP COMPRISING A SOURCE OF ALTERNATING ENERGY, AN OSCILLATOR COUPLED TO THE SOURCE FOR PRODUCING CONTROL SIGNALS, SAID OSCILLATOR BEING NORMALLY BALANCED TO PRODUCE A NULL SIGNAL, A CAPACITOR FORMING ONE ELEMENT OF THE OSCILLATOR, AND CONNECTED TO THE HANDLE FOR UNBALANCING THE OSCILLATOR TO PRODUCE OUTPUT SIGNALS WHEN THE HANDLE IS HELD BY AN OPERATOR, MEANS FOR AMPLIFYING THE OSCILLATOR OUTPUT, AN ELECTRONIC SWITCHING DEVICE CONNECTED TO SAID AMPLIFYING MEANS TO BE RENDERED CONDUCTIVE UPON APPLICATION OF AN AMPLIFIED SIGNAL THERETO AND A RELAY CONNECTED ACROSS SAID SWITCHING DEVICE TO BE SHUNTED THEREBY WHEN SAID SWITCHING DEVICE IS RENDERED CONDUCTIVE, SAID RELAY CONTROLLING ENERGIZATION OF THE LAMP.
Claim 2
Dependent Claim
129 words
THE COMBINATION WITH A LAMP INSTALLED IN A HANDLE TO BE HELD BY AN OPERATOR OF A CONTROL CIRCUIT FOR THE LAMP COMPRISING A SOURCE OF ALTERNATING ENERGY, AN OSCILLATOR COUPLED TO THE SOURCE FOR PRODUCING CONTROL SIGNALS, SAID OSCILLATOR BEING NORMALLY BALANCED TO PRODUCE A NULL SIGNAL, A CAPACITOR FORMING ONE ELEMENT OF THE OSCILLATOR, AND CONNECTED TO THE HANDLE FOR UNBALANCING THE OSCILLATOR TO PRODUCE OUTPUT SIGNALS WHEN THE HANDLE IS HELD BY AN OPERATOR, MEANS FOR AMPLIFYING THE OSCILLATOR OUTPUT, AN ELECTRONIC SWITCHING DEVICE CONNECTED TO SAID AMPLIFYING MEANS TO BE RENDERED CONDUCTIVE UPON APPLICATION OF AN AMPLIFIED SIGNAL THERETO AND A RELAY CONNECTED ACROSS SAID SWITCHING DEVICE TO BE SHUNTED THEREBY WHEN SAID SWITCHING DEVICE IS RENDERED CONDUCTIVE, SAID RELAY CONTROLLING ENERGIZATION OF THE LAMP.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |