Patent US3158704A successfully refreshed from Google Patents.
US3158704A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric switch with free-floating contact lever
Assignee: Carlingswitch Inc
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Filing: 1962-05-18
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Granted: 1964-11-24
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Expires: 1982-05-18
Abstract
No abstract record available.
Inventors
- 👤 Wesley T Sorenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:21
CPC Classifications
H; H01; H01H; H01H23/00; H01H23/02; H01H23/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
AN ELECTRIC SWITCH COMPRISING A CASE, PAIR OF SPACED APART CONTACTS IN SAID CASE, A PAIR OF SPACED APART FULCRUMS IN SAID CASE INTERMEDIATE SAID CONTACTS, A CONTACT LEVER MADE OF A SINGLE PIECE OF ELECTRICALLY CONDUCTIVE METAL, SAID LEVER BEING MOVABLE SLIDABLY AND PIVOTABLY ON BOTH OF SAID FULCRUMS SIMULTANEOUSLY, A SLOT IN SAID LEVER, AND A SPRING BIASED ACTUATING ELEMENT MOUNTED MOVABLY IN SAID CASE, A PORTION OF SAID ACTUATING ELEMENT EXTENDING THROUGH SAID SLOT AND MOVING FREELY BETWEEN SAID FULCRUMS, THE MOVEMENT OF SAID ACTUATING ELEMENT CAUSING SAID LEVER TO MOVE RECTILINEARLY IN RESPECT OF CASE AND PIVOTALLY IN RESPECT OF SAID FULCRUMS.
Claim 2
Dependent Claim
106 words
AN ELECTRIC SWITCH COMPRISING A CASE, PAIR OF SPACED APART CONTACTS IN SAID CASE, A PAIR OF SPACED APART FULCRUMS IN SAID CASE INTERMEDIATE SAID CONTACTS, A CONTACT LEVER MADE OF A SINGLE PIECE OF ELECTRICALLY CONDUCTIVE METAL, SAID LEVER BEING MOVABLE SLIDABLY AND PIVOTABLY ON BOTH OF SAID FULCRUMS SIMULTANEOUSLY, A SLOT IN SAID LEVER, AND A SPRING BIASED ACTUATING ELEMENT MOUNTED MOVABLY IN SAID CASE, A PORTION OF SAID ACTUATING ELEMENT EXTENDING THROUGH SAID SLOT AND MOVING FREELY BETWEEN SAID FULCRUMS, THE MOVEMENT OF SAID ACTUATING ELEMENT CAUSING SAID LEVER TO MOVE RECTILINEARLY IN RESPECT OF CASE AND PIVOTALLY IN RESPECT OF SAID FULCRUMS.
References Cited (Backward Citations)
US1892542A
Cited
US2749400A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |