US3217129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Visual indicator for determining the condition of an electromagnetic relay
Assignee: Westinghouse Air Brake Co
•
Filing: 1963-03-11
•
Granted: 1965-11-09
•
Expires: 1983-03-11
Abstract
No abstract record available.
Inventors
- 👤 Hufnagel Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:25
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/08; H01H9/00; H01H9/16; H01H9/02; H01H2009/0292
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A VISUAL INDICATOR FOR DETERMINING THE PICKED-UP AND RELEASED CONDITION OF A RELAY ARMATURE OF AN ELECTROMAGNETIC RELAY, COMPRISING IN COMBINATION, A MOVABLE INSULATING MEMBER ADAPTED TO BE SECURELY CONNECTED TO THE RELAY ARMATURE AND MOVABLE THEREWITH, A FIXED INSULATING MEMBER DISPOSED ADJACENT SAID MOVABLE INSULATING MEMBER, AN INDICATING ELEMENT PIVOTALLY SUPPORTED BY SAID INSULATING MEMBERS AND ADAPTED TO MOVE BETWEEN A FIRST AND A SECOND INDICATING POSITION THEREBY DESIGNATING THE PICKED-UP AND RELEASED CONDITION OF THE RELAY ARMATURE, AND A RETAINING SPRING ENGAGING SAID INDICATING ELEMENT AND SAID FIXED INSULATING MEMBER TO HOLD SAID ELEMENT IN PROPER RELATION WITH SAID INSULATING MEMBERS.
Claim 2
Dependent Claim
103 words
A VISUAL INDICATOR FOR DETERMINING THE PICKED-UP AND RELEASED CONDITION OF A RELAY ARMATURE OF AN ELECTROMAGNETIC RELAY, COMPRISING IN COMBINATION, A MOVABLE INSULATING MEMBER ADAPTED TO BE SECURELY CONNECTED TO THE RELAY ARMATURE AND MOVABLE THEREWITH, A FIXED INSULATING MEMBER DISPOSED ADJACENT SAID MOVABLE INSULATING MEMBER, AN INDICATING ELEMENT PIVOTALLY SUPPORTED BY SAID INSULATING MEMBERS AND ADAPTED TO MOVE BETWEEN A FIRST AND A SECOND INDICATING POSITION THEREBY DESIGNATING THE PICKED-UP AND RELEASED CONDITION OF THE RELAY ARMATURE, AND A RETAINING SPRING ENGAGING SAID INDICATING ELEMENT AND SAID FIXED INSULATING MEMBER TO HOLD SAID ELEMENT IN PROPER RELATION WITH SAID INSULATING MEMBERS.
References Cited (Backward Citations)
US1307710A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |