Patent US3211873A successfully refreshed from Google Patents.
US3211873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Contact spring assembly for relays and the like
Assignee: Individual
•
Filing: 1962-03-01
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Granted: 1965-10-12
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Expires: 1982-03-01
Abstract
No abstract record available.
Inventors
- 👤 Vigren Sten Daniel
- 👤 Zander Rolf Albin
- 👤 Claesson Per Harry Elias
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:34
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/54; H01H50/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
IN AN ELECTROMAGNETIC RELAY: A SUPPORTING FRAME; A MAGNETIZABLE CORE FIXED TO SAID SUPPORTING FRAME; A MOVABLE ARMATURE PIVOTED TO SAID SUPPORTING FRAME; A PLURALITY OF MOVABLE CONTACT SPRINGS ADAPTED TO BE ACTUATED BY SAID ARMATURE; A NUMBER OF FIXED CONTACT SPRINGS WITH WHICH SAID MOVBLE CONTACT SPRINGS ARE ADAPTED TO COOPERATE, EACH OF SAID FIXED AND MOVABLE CONTACT SPRINGS BEING SUBSTANTIALLY STRAIGHT AND HAVING A CONTACT END TO SELECTIVELY ENGAGE A CORRESPONDING CONTACT END OF AN ADJACENT SELECTIVELY COOPERATING SPRING AND A CLAMPING END; A CONNECTION RIB ASSOCIATED WITH THE CLAMPING END OF ECH OF SAID CONTACT SPRINGS; AN INSULATING BRACKET MEANS FOR CLAMPING THE CLAMPING END OF EACH SAID CONTACT SPRING TO ITS ASSOCIATED CONNECTION RIB, SAID BRACKET MEANS FIXED TO SAID SUPPORTING FRAME AND HAVING AN APERTURE FOR THE CLAMPING END OF EACH SPRING AND ITS ASSOCIATED CONNECTION RIB; AND SPRING MEANS FOR HOLDING THE ASSOCIATED SPRING CLAMPING END AND SAID RIB IN CONTACT WITH EACH OTHER IN SAID APERTURE.
Claim 2
Dependent Claim
163 words
IN AN ELECTROMAGNETIC RELAY: A SUPPORTING FRAME; A MAGNETIZABLE CORE FIXED TO SAID SUPPORTING FRAME; A MOVABLE ARMATURE PIVOTED TO SAID SUPPORTING FRAME; A PLURALITY OF MOVABLE CONTACT SPRINGS ADAPTED TO BE ACTUATED BY SAID ARMATURE; A NUMBER OF FIXED CONTACT SPRINGS WITH WHICH SAID MOVBLE CONTACT SPRINGS ARE ADAPTED TO COOPERATE, EACH OF SAID FIXED AND MOVABLE CONTACT SPRINGS BEING SUBSTANTIALLY STRAIGHT AND HAVING A CONTACT END TO SELECTIVELY ENGAGE A CORRESPONDING CONTACT END OF AN ADJACENT SELECTIVELY COOPERATING SPRING AND A CLAMPING END; A CONNECTION RIB ASSOCIATED WITH THE CLAMPING END OF ECH OF SAID CONTACT SPRINGS; AN INSULATING BRACKET MEANS FOR CLAMPING THE CLAMPING END OF EACH SAID CONTACT SPRING TO ITS ASSOCIATED CONNECTION RIB, SAID BRACKET MEANS FIXED TO SAID SUPPORTING FRAME AND HAVING AN APERTURE FOR THE CLAMPING END OF EACH SPRING AND ITS ASSOCIATED CONNECTION RIB; AND SPRING MEANS FOR HOLDING THE ASSOCIATED SPRING CLAMPING END AND SAID RIB IN CONTACT WITH EACH OTHER IN SAID APERTURE.
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) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |