US3317682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switching device with sensor for proximity switch
Assignee: Automatic Electric Laboratories Inc
•
Filing: 1965-10-14
•
Granted: 1967-05-02
•
Expires: 1985-10-14
Abstract
No abstract record available.
Inventors
- 👤 Robert T Cleary
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:41
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
IN COMBINATION, AN ELECTRICAL CIRCUIT, A PROXIMITY SWITCH CIRCUIT AND A SWITCHING DEVICE FOR OPERATING SAID CIRCUITS, SAID SWITCHING DEVICE COMPRISING: SENSING MEANS CONNECTED TO SAID PROXIMITY SWITCH CIRCUIT, SAID PROXIMITY SWITCH CIRCUIT OPERATED IN RESPONSE TO THE PLACEMENT OF THE HAND OF AN OPERATOR IN PROXIMITY TO SAID SENSING MEANS TO PRODUCE A FIRST SWITCHING FUNCTION; AT LEAST ONE SET OF CIRCUIT SWITCHING CONTACTS CONNECTED TO SAID ELECTRICAL CIRCUIT AND LOCATED ADJACENT TO AND ENGAGEABLE BY SAID SENSING MEANS; SAID ELECTRICAL CIRCUIT OPERATED IN RESPONSE TO THE MANUAL OPERATION BY AN OPERATOR OF SAID SENSING MEANS TO ENGAGE SAID CIRCUIT SWITCHING CONTACTS TO PRODUCE A SECOND SWITCHING FUNCTION INDEPENDENT OF SAID FIRST SWITCHING FUNCTION.
Claim 2
Dependent Claim
115 words
IN COMBINATION, AN ELECTRICAL CIRCUIT, A PROXIMITY SWITCH CIRCUIT AND A SWITCHING DEVICE FOR OPERATING SAID CIRCUITS, SAID SWITCHING DEVICE COMPRISING: SENSING MEANS CONNECTED TO SAID PROXIMITY SWITCH CIRCUIT, SAID PROXIMITY SWITCH CIRCUIT OPERATED IN RESPONSE TO THE PLACEMENT OF THE HAND OF AN OPERATOR IN PROXIMITY TO SAID SENSING MEANS TO PRODUCE A FIRST SWITCHING FUNCTION; AT LEAST ONE SET OF CIRCUIT SWITCHING CONTACTS CONNECTED TO SAID ELECTRICAL CIRCUIT AND LOCATED ADJACENT TO AND ENGAGEABLE BY SAID SENSING MEANS; SAID ELECTRICAL CIRCUIT OPERATED IN RESPONSE TO THE MANUAL OPERATION BY AN OPERATOR OF SAID SENSING MEANS TO ENGAGE SAID CIRCUIT SWITCHING CONTACTS TO PRODUCE A SECOND SWITCHING FUNCTION INDEPENDENT OF SAID FIRST SWITCHING FUNCTION.
References Cited (Backward Citations)
US2166680A
Cited
US2411576A
Cited
US2427187A
Cited
US2560324A
Cited
US2672765A
Cited
US3156789A
Cited
US3161733A
Cited
US3206562A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |