Patent US3291952A successfully refreshed from Google Patents.
US3291952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealed contact set
Assignee: Siemens and Halske AG
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Filing: 1965-07-23
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Granted: 1966-12-13
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Expires: 1985-07-23
Abstract
No abstract record available.
Inventors
- 👤 Meier Heinz
- 👤 Angermaier Hugo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:43
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/28; H01H51/287
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
IN A SEALED ELECTRICAL CONTACT SET HAVING A PAIR OF FLAT CONTACT MEMBERS EACH WITH A SUBSTANTIAL PORTION OF ITS LENGTH EXTENDING WITHIN A PROTECTIVE ENCLOSURE, THE OTHER PORTIONS OF THE CONTACT MEMBERS EXTENDING OUTWARDLY OF THE ENCLOSURE, WITH A JUNCTION BETWEEN EACH CONTACT MEMBER AND THE ENCLOSURE AND WITH THE CONTACT MEMBERS HAVING OPPOSED CONTACTING PORTIONS IN THE ENCLOSURE, THE IMPROVEMENT COMPRISING: A STIFFENING RIB ON EACH CONTACT MEMBER EXTENDING THROUGH ITS JUNCTION INTO THE ENCLOSURE, EACH SAID RIB BEING OPERATIVE TO PREVENT SUBSTANTIAL FLEXURE OF THE PORTION OF ITS CONTACT MEMBER IS WHICH IT EXTENDS, SO THAT THE FLEXURE CHARACTERISTICS OF THE CONTACT MEMBERS ARE DETERMINED BY THE DISTANCE BETWEEN THE RIBS AND THE ENDS OF THE MEMBERS, RATHER THAN BY THE CHARACTERISTICS OF SAID JUNCTIONS.
Claim 2
Dependent Claim
128 words
IN A SEALED ELECTRICAL CONTACT SET HAVING A PAIR OF FLAT CONTACT MEMBERS EACH WITH A SUBSTANTIAL PORTION OF ITS LENGTH EXTENDING WITHIN A PROTECTIVE ENCLOSURE, THE OTHER PORTIONS OF THE CONTACT MEMBERS EXTENDING OUTWARDLY OF THE ENCLOSURE, WITH A JUNCTION BETWEEN EACH CONTACT MEMBER AND THE ENCLOSURE AND WITH THE CONTACT MEMBERS HAVING OPPOSED CONTACTING PORTIONS IN THE ENCLOSURE, THE IMPROVEMENT COMPRISING: A STIFFENING RIB ON EACH CONTACT MEMBER EXTENDING THROUGH ITS JUNCTION INTO THE ENCLOSURE, EACH SAID RIB BEING OPERATIVE TO PREVENT SUBSTANTIAL FLEXURE OF THE PORTION OF ITS CONTACT MEMBER IS WHICH IT EXTENDS, SO THAT THE FLEXURE CHARACTERISTICS OF THE CONTACT MEMBERS ARE DETERMINED BY THE DISTANCE BETWEEN THE RIBS AND THE ENDS OF THE MEMBERS, RATHER THAN BY THE CHARACTERISTICS OF SAID JUNCTIONS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |