Patent US3157759A successfully refreshed from Google Patents.
US3157759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Readily adjustable snap-action switch
Assignee: Individual
•
Filing: 1963-01-15
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Granted: 1964-11-17
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Expires: 1983-01-15
Abstract
No abstract record available.
Inventors
- 👤 Edwin J Kudalis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:29
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/02; H01H13/04; H01H13/06; H01H13/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A SNAP-ACTION SWITCH COMPRISING: A HOUSING WITH A PLURALITY OF TERMINALS; A BLOCK OF ELECTRICALLY-CONDUCTING MATERIAL MOUNTED FOR SLIDING MOVEMENT IN SAID HOUSING; AN ARM SWINGABLY CARRIED BY SAID BLOCK, AND ADAPTED TO ALTERNATELY CONTACT SAID TERMINALS, A PAIR OF TENSION SPRINGS CONNECTED TO SAID ARM, AT A POINT APART FROM ITS AXIS OF SWING, AND ANCHORED TO SAID HOUSING ON THE OTHER SIDE OF SAID AXIS; SAID BLOCK HAVING AN ELONGATED OPENING; A PIN IN SAID OPENING AND ADAPTED TO CONTACT SAID SPRINGS AT A POINT MEDIALLY OF ITS LENGHT, WHILE MOVING TRANSVERSELY TO ITS LENGTH IN SAID OPENING, A PLUNGER ADAPTED TO URGE SAID PIN INTO CONTACT WITH SAID SPRINGS, AND MEANS TO ADJUST THE TENSION OF SAID SPRINGS THROGH SLIDING MOVEMENT OF SAID BLOCK; SAID MEANS INCLUDING A COMMON TERMINAL OF THE SWITCH.
Claim 2
Dependent Claim
136 words
A SNAP-ACTION SWITCH COMPRISING: A HOUSING WITH A PLURALITY OF TERMINALS; A BLOCK OF ELECTRICALLY-CONDUCTING MATERIAL MOUNTED FOR SLIDING MOVEMENT IN SAID HOUSING; AN ARM SWINGABLY CARRIED BY SAID BLOCK, AND ADAPTED TO ALTERNATELY CONTACT SAID TERMINALS, A PAIR OF TENSION SPRINGS CONNECTED TO SAID ARM, AT A POINT APART FROM ITS AXIS OF SWING, AND ANCHORED TO SAID HOUSING ON THE OTHER SIDE OF SAID AXIS; SAID BLOCK HAVING AN ELONGATED OPENING; A PIN IN SAID OPENING AND ADAPTED TO CONTACT SAID SPRINGS AT A POINT MEDIALLY OF ITS LENGHT, WHILE MOVING TRANSVERSELY TO ITS LENGTH IN SAID OPENING, A PLUNGER ADAPTED TO URGE SAID PIN INTO CONTACT WITH SAID SPRINGS, AND MEANS TO ADJUST THE TENSION OF SAID SPRINGS THROGH SLIDING MOVEMENT OF SAID BLOCK; SAID MEANS INCLUDING A COMMON TERMINAL OF THE SWITCH.
References Cited (Backward Citations)
FR1196660A
Cited
US3073923A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-17 | 1968-05-18 | 1968-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-17 | 1972-05-18 | 1972-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-17 | 1976-05-18 | 1976-11-17 | $7700.00 | Window Closed / Lapsed |