US3080460A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic relay
Assignee: Otis Elevator Co
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Filing: 1960-02-17
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Granted: 1963-03-05
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Expires: 1980-02-17
Abstract
No abstract record available.
Inventors
- 👤 Prince Arthur Ennis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:21
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/16; H01H50/18; H01H50/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
IN AN ELECTROMAGNETIC RELAY EMPLOYING CONTACTS MOUNTED NEAR THE EXTREMITY OF BOTH MOVABLE AND STATIONARY CONTACT SPRINGS, A MOUNTING FRAME OF MAGNETIC MATERIAL, AN ELECTROMAGNET MOUNTED ON SAID FRAME, MEANS MOUNTING SAID MOVABLE CONTACT SPRINGS ONE ABOVE THE OTHER ON SAID FRAME WITH EACH INSULATED FROM THE OTHER AND FROM SAID FRAME, AN ARMATURE MOUNTED ON SAID FRAME IN POSITION TO BE ATTRACTED TOWARD SAID ELECTROMAGNET WHEN THE LATTER IS ENERGIZED, INSULATING MEANS COUPLED TO SAID ARMATURE AND TO EACH OF SAID MOVABLE CONTACT SPRINGS FIXING EACH OF SAID MOVABLE CONTACT SPRINGS IN FIXED SEPARATION FROM SAID ARMATURE, MEANS ENGAGING EACH OF SAID STATIONARY CONTACT SPRINGS IN FIXED RELATIONSHIP ONE TO ANOTHER AND TO SAID ARMATURE WHEN IN ITS UNOPERATED POSITION, AND MEANS FOR ADJUSTING THE POSITION OF SAID LAST MENTIONED MEANS FOR VARYING THE POSITION OF SAID ARMATURE IN ITS UNOPERATED STATE WITH RESPECT TO SAID ELECTROMAGNET WITHOUT VARYING THE POSITION OF SAID STATIONARY AND MOVABLE CONTACT SPRINGS WITH RESPECT TO SAID ARMATURE AND TO EACH OTHER.
Claim 2
Dependent Claim
168 words
IN AN ELECTROMAGNETIC RELAY EMPLOYING CONTACTS MOUNTED NEAR THE EXTREMITY OF BOTH MOVABLE AND STATIONARY CONTACT SPRINGS, A MOUNTING FRAME OF MAGNETIC MATERIAL, AN ELECTROMAGNET MOUNTED ON SAID FRAME, MEANS MOUNTING SAID MOVABLE CONTACT SPRINGS ONE ABOVE THE OTHER ON SAID FRAME WITH EACH INSULATED FROM THE OTHER AND FROM SAID FRAME, AN ARMATURE MOUNTED ON SAID FRAME IN POSITION TO BE ATTRACTED TOWARD SAID ELECTROMAGNET WHEN THE LATTER IS ENERGIZED, INSULATING MEANS COUPLED TO SAID ARMATURE AND TO EACH OF SAID MOVABLE CONTACT SPRINGS FIXING EACH OF SAID MOVABLE CONTACT SPRINGS IN FIXED SEPARATION FROM SAID ARMATURE, MEANS ENGAGING EACH OF SAID STATIONARY CONTACT SPRINGS IN FIXED RELATIONSHIP ONE TO ANOTHER AND TO SAID ARMATURE WHEN IN ITS UNOPERATED POSITION, AND MEANS FOR ADJUSTING THE POSITION OF SAID LAST MENTIONED MEANS FOR VARYING THE POSITION OF SAID ARMATURE IN ITS UNOPERATED STATE WITH RESPECT TO SAID ELECTROMAGNET WITHOUT VARYING THE POSITION OF SAID STATIONARY AND MOVABLE CONTACT SPRINGS WITH RESPECT TO SAID ARMATURE AND TO EACH OTHER.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |