Patent DE653348C successfully refreshed from Google Patents.
Patent US3178532A successfully refreshed from Google Patents.
US3178532A
Expired / Lapsed
US
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Electromagnetic relay with contact supported armature
Assignee: Connecticut Valley Enterprises Inc
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Filing: 1962-12-05
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Granted: 1965-04-13
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Expires: 1982-12-05
Abstract
No abstract record available.
Inventors
- 👤 Smith Graydon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:12
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/54; H01H50/60
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
101 words
AN ELECTROMAGNETIC RELAY COMPRISING A HEADER, A COIL CARRIED BY THE HEADER, A ROTARY, ARMATURE, A PAIR OF RESILIENT CURRENT MEMBERS CARRIED BY THE HEADER, THE RESILIENT CURRENT CARRYING MEMBERS SUPPORTING THE ARMATURE WITHIN THE COIL AND PRIVIDING A FLEXURE PIVOT FOR THE ARMATURE, MEANS PROVIDING A RETURN PATH FOR MAGNETIC FLUX OUTSIDE THE COIL, THE MEANS INCLUDING A MAGNET POLE AT EACH END OF THE COIL, EACH END OF THE ARMATURE BEING DISPOSED ADJACENT TO ONE OF THE POLES, AT LEAST ONE FIXED CONTACT CARRIED BY THE HEADER AND ADAPTED TO ENGAGE AND DISENGAGE THE ARMATURE RESPONSIVE TO ITS MOVEMENT.
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) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |