US3196239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switch for indicating out-of-sight loads
Assignee: Individual
•
Filing: 1963-09-16
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Granted: 1965-07-20
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Expires: 1983-09-16
Abstract
No abstract record available.
Inventors
- 👤 Charles F Maxted
- 👤 Robert E V Ramsing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:11
CPC Classifications
H; H01; H01H; H01H23/00; H01H23/02; H01H23/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
IN A DEVICE FOR INDICATING THAT A CURRENT CARRYING SWITCH HAS BEEN TURNED TO AN "ON" POSITION, A CASING HAVINT THEREIN A FIXED CONTACT, AN ELONGATED FLEXIBLE SWITCH ARM HAVING AT ONE END A CONTACT NORMALLY URGED INTO ENGAGEMENT WITH SAID FIXED CONTACT TO COMPLETE AN ELECTIRC CIRCUIT, A TOGGLE PIVOTED IN THE CASING, A PAIR OF SPACED RESILIENT BUMPERS IN THE CASING PROXIMATE THE BASE OF THE TOGGLE FOR LIMITING MOVEMENT OF THE TOGGLE IN EITHER DIRECTION, A HOLLOW HANDLE OF TRANSLUCENT MATERIAL FORMING A PROTION OF SAID TOGGLE, A CAM CARRIED BY THE TOGGLE TO ENGAGE SAID FLEXIBLE SWITCH ARM TO HOLD ITS CONTACT AWAY FROM SAID FIXED CONTACT WHEN THE TOGGLE IS IN "OFF" POSITION AND TO ALLOW ENGAGEMENNT OF THE TWO CONTACTS WHEN THE TOGGLE 1S IN "ON" POSITION, A LOW VOLTAGE BULB OF INCANDESCENT TYPE WITHIN SAID HOLLOW HANDLE AND MEANS FOR DELEVERING TO THE BULB A CURRENG OF LOWER VOLTAGE THAN ITS RATED CAPACITY BUT ABOVE THAT REQUIRED TO MAKE IT GLOW, WHEREBY THE HANDLE WILL INDICATE BY ITS GLOW THAT THE SWITCH IS DELIVERING CURRENG TO ITS LOAD.
Claim 2
Dependent Claim
185 words
IN A DEVICE FOR INDICATING THAT A CURRENT CARRYING SWITCH HAS BEEN TURNED TO AN "ON" POSITION, A CASING HAVINT THEREIN A FIXED CONTACT, AN ELONGATED FLEXIBLE SWITCH ARM HAVING AT ONE END A CONTACT NORMALLY URGED INTO ENGAGEMENT WITH SAID FIXED CONTACT TO COMPLETE AN ELECTIRC CIRCUIT, A TOGGLE PIVOTED IN THE CASING, A PAIR OF SPACED RESILIENT BUMPERS IN THE CASING PROXIMATE THE BASE OF THE TOGGLE FOR LIMITING MOVEMENT OF THE TOGGLE IN EITHER DIRECTION, A HOLLOW HANDLE OF TRANSLUCENT MATERIAL FORMING A PROTION OF SAID TOGGLE, A CAM CARRIED BY THE TOGGLE TO ENGAGE SAID FLEXIBLE SWITCH ARM TO HOLD ITS CONTACT AWAY FROM SAID FIXED CONTACT WHEN THE TOGGLE IS IN "OFF" POSITION AND TO ALLOW ENGAGEMENNT OF THE TWO CONTACTS WHEN THE TOGGLE 1S IN "ON" POSITION, A LOW VOLTAGE BULB OF INCANDESCENT TYPE WITHIN SAID HOLLOW HANDLE AND MEANS FOR DELEVERING TO THE BULB A CURRENG OF LOWER VOLTAGE THAN ITS RATED CAPACITY BUT ABOVE THAT REQUIRED TO MAKE IT GLOW, WHEREBY THE HANDLE WILL INDICATE BY ITS GLOW THAT THE SWITCH IS DELIVERING CURRENG TO ITS LOAD.
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) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |