US3152237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical switching devices with movable contact engageable with v-shaped contact
Assignee: AMF Inc
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Filing: 1960-12-28
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Granted: 1964-10-06
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Expires: 1980-12-28
Abstract
No abstract record available.
Inventors
- 👤 Richert Walter Johannes
- 👤 Wells Hugh Otis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:45
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
IN AN ELECTRICAL DEVICE, THE COMBINATION OF A PLURALITY OF PARALLEL TERMINAL PINS; A FIXED CONTACT ARM SECURED AT ONE END TO ONE OF SAID TERMINAL PINS; A MOVABLE CONTACT ARM SECURED AT ONE END TO ANOTHER OF SAID TERMINAL PINS; EACH OF SAID CONTACT ARMS BEING IN THE FORM OF AN ELONGATED STRIP OF ELECTRICALLY CONDUCTIVE SPRING MATERIAL HAVING A BEND INTERMEDIATE TO THE ENDS FORMING AN ACUTE ANGLE, SAID FIXED CONTACT ARM INCLUDING AN END PORTION HAVING AT LEAST ONE LONGITUDINALLY EXTENDING OFF-CENTER SPLIT WHICH DIVIDES SAID END PORTION INTO A PLURALITY OF MOVABLE PORTIONS HAVING DIFFERENT RESONANT FREQUENCIES, SAID MOVABLE CONTACT ARM HAVING A MOVABLE END PORTION NORMALLY ENGAGED WITH SAID MOVABLE PORTIONS OF SAID FIXED CONTACT ARM, AND A TIP PORTION WHICH EXTENDS BEYOND SAID MOVABLE PORTIONS; A SECOND FIXED CONTACT ARM SECURED AT ONE END TO ANOTHER OF SAID TERMINAL PINS; SAID SECOND FIXED CONTACT ARM BEING IN THE FORM OF AN ELONGATED STRIP OF ELECTRICALLY CONDUCTIVE SPRING MATERIAL HAVING A BEND INTERMEDIATE THE ENDS THEREOF FORMING AN ACUTE ANGLE, SAID
Claim 2
Dependent Claim
176 words
IN AN ELECTRICAL DEVICE, THE COMBINATION OF A PLURALITY OF PARALLEL TERMINAL PINS; A FIXED CONTACT ARM SECURED AT ONE END TO ONE OF SAID TERMINAL PINS; A MOVABLE CONTACT ARM SECURED AT ONE END TO ANOTHER OF SAID TERMINAL PINS; EACH OF SAID CONTACT ARMS BEING IN THE FORM OF AN ELONGATED STRIP OF ELECTRICALLY CONDUCTIVE SPRING MATERIAL HAVING A BEND INTERMEDIATE TO THE ENDS FORMING AN ACUTE ANGLE, SAID FIXED CONTACT ARM INCLUDING AN END PORTION HAVING AT LEAST ONE LONGITUDINALLY EXTENDING OFF-CENTER SPLIT WHICH DIVIDES SAID END PORTION INTO A PLURALITY OF MOVABLE PORTIONS HAVING DIFFERENT RESONANT FREQUENCIES, SAID MOVABLE CONTACT ARM HAVING A MOVABLE END PORTION NORMALLY ENGAGED WITH SAID MOVABLE PORTIONS OF SAID FIXED CONTACT ARM, AND A TIP PORTION WHICH EXTENDS BEYOND SAID MOVABLE PORTIONS; A SECOND FIXED CONTACT ARM SECURED AT ONE END TO ANOTHER OF SAID TERMINAL PINS; SAID SECOND FIXED CONTACT ARM BEING IN THE FORM OF AN ELONGATED STRIP OF ELECTRICALLY CONDUCTIVE SPRING MATERIAL HAVING A BEND INTERMEDIATE THE ENDS THEREOF FORMING AN ACUTE ANGLE, SAID
References Cited (Backward Citations)
DE549661C
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US2077622A
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US2393535A
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US2805301A
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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) | 1967-10-06 | 1968-04-06 | 1968-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-06 | 1972-04-06 | 1972-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-06 | 1976-04-06 | 1976-10-06 | $7700.00 | Window Closed / Lapsed |