Patent US3242285A successfully refreshed from Google Patents.
US3242285A
Expired / Lapsed
US
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Relay with unitary field piece construction
Assignee: Guardian Electric Manufacturing Co
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Filing: 1963-03-21
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Granted: 1966-03-22
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Expires: 1983-03-21
Abstract
No abstract record available.
Inventors
- 👤 Theodore J Obszarny
- 👤 John J Rowell
- 👤 Schmidt John
- 👤 Wright William Warren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:14
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/02; H01H50/04; H01H50/041; H01H50/54; H01H50/56; H01H50/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A RELAY COMPRISING A FIELD PIECE HAVING A CORE, A COIL MOUNTED ON SAID CORE FOR CREATING AN ELECTROMAGNETIC FIELD, AN ARMATURE PIVOTALLY CARRIED BY SAID FIELD PIECE AND BEING ALIGNED WITH SAID CORE, A SWITCH BLOCK MOUNTED ON SAID FIELD PIECE AND HAVING BLADE CONTACT MEMBERS DISTALLY SPACED FROM SAID ARMATURE, A SPRING CLIP FIRMLY CONNECTING SAID SWITCH BLOCK TO SAID FIELD PIECE, SAID CLIP ENGAGING AND BIASING SAID ARMATURE IN A DIRECTION AWAY FROM SAID COIL, AND MEANS FOR MOVING SAID CONTACT MEMBERS IN UNISON WITH SAID ARMATURE UPON ENERGIZING AND DE-ENERGIZING SAID COIL.
Claim 2
Dependent Claim
96 words
A RELAY COMPRISING A FIELD PIECE HAVING A CORE, A COIL MOUNTED ON SAID CORE FOR CREATING AN ELECTROMAGNETIC FIELD, AN ARMATURE PIVOTALLY CARRIED BY SAID FIELD PIECE AND BEING ALIGNED WITH SAID CORE, A SWITCH BLOCK MOUNTED ON SAID FIELD PIECE AND HAVING BLADE CONTACT MEMBERS DISTALLY SPACED FROM SAID ARMATURE, A SPRING CLIP FIRMLY CONNECTING SAID SWITCH BLOCK TO SAID FIELD PIECE, SAID CLIP ENGAGING AND BIASING SAID ARMATURE IN A DIRECTION AWAY FROM SAID COIL, AND MEANS FOR MOVING SAID CONTACT MEMBERS IN UNISON WITH SAID ARMATURE UPON ENERGIZING AND DE-ENERGIZING SAID COIL.
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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) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |