Patent US3133177A successfully refreshed from Google Patents.
US3133177A
Expired / Lapsed
US
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Electrical contact means in wire springs
Assignee: Telefonaktiebolaget LM Ericsson AB
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Filing: 1961-01-25
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Granted: 1964-05-12
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Expires: 1981-01-25
Abstract
No abstract record available.
Inventors
- 👤 Alexandersson Harald Valdemar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:29
CPC Classifications
H; H01; H01H; H01H1/00; H01H1/12; H01H1/14; H01H1/24; H01H1/245
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A CONTACT DEVICE FOR SWITCHING MEANS, SAID DEVICE COMPRISING A FIRST AND A SECOND SPRINGY WIRE, SUPPORT MEANS SUPPORTING SAID WIRES IN POSITIONS IN REFERENCE TO EACH OTHER IN WHICH SAID WIRES ARE MOVABLE INTO ENGAGEMENT, AND A SLEEVE MADE OF CONTACT MATERIAL FITTED UPON AN END OF ONE OF SAID WIRES LENGTHWISE PROTRUDING THEREFROM, SAID PROTRUDING SLEEVE PORTION HAVING A V-SHAPED CONFIGURATION, THE OPEN SIDE OF THE V-SHAPED PORTION FACING THE OTHER WIRE FOR RECEIVING SAID OTHER WIRE IN CONTACT ENGAGEMENT AT BOTH INNER SURFACES OF THE V-SHAPED PORTION.
Claim 2
Dependent Claim
90 words
A CONTACT DEVICE FOR SWITCHING MEANS, SAID DEVICE COMPRISING A FIRST AND A SECOND SPRINGY WIRE, SUPPORT MEANS SUPPORTING SAID WIRES IN POSITIONS IN REFERENCE TO EACH OTHER IN WHICH SAID WIRES ARE MOVABLE INTO ENGAGEMENT, AND A SLEEVE MADE OF CONTACT MATERIAL FITTED UPON AN END OF ONE OF SAID WIRES LENGTHWISE PROTRUDING THEREFROM, SAID PROTRUDING SLEEVE PORTION HAVING A V-SHAPED CONFIGURATION, THE OPEN SIDE OF THE V-SHAPED PORTION FACING THE OTHER WIRE FOR RECEIVING SAID OTHER WIRE IN CONTACT ENGAGEMENT AT BOTH INNER SURFACES OF THE V-SHAPED PORTION.
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) | 1967-05-12 | 1967-11-11 | 1968-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-12 | 1971-11-11 | 1972-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-12 | 1975-11-11 | 1976-05-12 | $7700.00 | Window Closed / Lapsed |