US3211875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switch having insulating bases defining separate compartments for mounting a contact carrying bracket
Assignee: Sigma Instruments Inc
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Filing: 1964-05-12
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Granted: 1965-10-12
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Expires: 1984-05-12
Abstract
No abstract record available.
Inventors
- 👤 Bertil S Bengtsson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:33
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/02; H01H50/04; H01H50/047; H01H50/048; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49105
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
IN AN ELECTRO-MAGNETIC SWITCH DEVICE, A BASE OF INSULATING MATERIAL, A METAL CONTACT PIN CARRIED BY SAID BASE HAVING A SHANK PASSING THROUGH A HOLE IN THE BASE, A METAL CONTACT CARRYING BRACKET MOUNTED ON THE BASE AND SAID BRACKET HAVING A SUBSTANTIALLY STRAIGHT FLAT WALL WITH A HOLE THROUGH WHICH SAID PIN SHANK EXTENDS, SAID PIN SHANK BEING SLIGHTLY LARGER IN DIAMETER THAN THE HOLE OF SAID STRAIGHT FLAT WALL AND BEING FORCED THROUGH SAID HOLE WITHOUT BENDING SAID WALL SO THAT THE METAL SURROUNDING SAID SHANK IS ELASTICALLY STRESSED WHEREBY GOOD ELECTRICAL CONTACT WITHOUT SOLDERING IS SECURED BETWEEN SAID PIN SHANK AND SAID BRACKET WHICH IS MAINTAINED THROUGH A SUBSTANTIAL TEMPERATURE RANGE.
Claim 2
Dependent Claim
114 words
IN AN ELECTRO-MAGNETIC SWITCH DEVICE, A BASE OF INSULATING MATERIAL, A METAL CONTACT PIN CARRIED BY SAID BASE HAVING A SHANK PASSING THROUGH A HOLE IN THE BASE, A METAL CONTACT CARRYING BRACKET MOUNTED ON THE BASE AND SAID BRACKET HAVING A SUBSTANTIALLY STRAIGHT FLAT WALL WITH A HOLE THROUGH WHICH SAID PIN SHANK EXTENDS, SAID PIN SHANK BEING SLIGHTLY LARGER IN DIAMETER THAN THE HOLE OF SAID STRAIGHT FLAT WALL AND BEING FORCED THROUGH SAID HOLE WITHOUT BENDING SAID WALL SO THAT THE METAL SURROUNDING SAID SHANK IS ELASTICALLY STRESSED WHEREBY GOOD ELECTRICAL CONTACT WITHOUT SOLDERING IS SECURED BETWEEN SAID PIN SHANK AND SAID BRACKET WHICH IS MAINTAINED THROUGH A SUBSTANTIAL TEMPERATURE RANGE.
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 |