US3153707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toggle switch locking device
Assignee: North American Aviation Corp
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Filing: 1960-10-10
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Granted: 1964-10-20
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Expires: 1980-10-10
Abstract
No abstract record available.
Inventors
- 👤 Sydney G Barnes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:16
CPC Classifications
H; H01; H01H; H01H3/00; H01H3/02; H01H3/20; H01H23/00; H01H23/02; H01H23/12; H01H23/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A LOCKING ARRANGEMENT FOR A SWITCH BOX ASSEMBLY HAVING AN EXTERNALLY PROJECTING SWITCH HANDLE FOR ACTUATION BETWEEN RESPECTIVE MAKE AND BREAK SWITCH CONTACT POSITIONS IN THE SWITCH BOX, THE LOCKING ARRANGEMENT COMPRISING: (A) A LONGITUDINAL BISECTING SLOT IN THE SWITCH HANDLE AND ORIENTED IN THE PLANE OF TRAVEL OF THE HANDLE, (B) A RIGID RETAINING MEMBER HAVING A PLURALITY OF VERTICES, AND (C) SAID RETAINING MEMBER PIVOTALLY CONNECTED AT A FIRST VERTEX TO THE EXTERNAL END OF THE SWITCH HANDLE FOR ROTATION ABOUT SAID FIRST VERTEX PARTIALLY INTO AND OUT OF SAID HANDLE SLOT, THE ROTATION OF SAID RETAINING MEMBER ADAPTED TO BRING RESPECTIVE ONES OF A SECOND AND THIRD VERTEX OF SAID MEMBER INTO CONTACT WITH THE SWITCH BOX ASSEMBLY SO THAT THE SWITCH HANDLE IS LOCKED IN AN ASSOCIATED MAKE OR BREAK SWITCH POSITION.
Claim 2
Dependent Claim
136 words
A LOCKING ARRANGEMENT FOR A SWITCH BOX ASSEMBLY HAVING AN EXTERNALLY PROJECTING SWITCH HANDLE FOR ACTUATION BETWEEN RESPECTIVE MAKE AND BREAK SWITCH CONTACT POSITIONS IN THE SWITCH BOX, THE LOCKING ARRANGEMENT COMPRISING: (A) A LONGITUDINAL BISECTING SLOT IN THE SWITCH HANDLE AND ORIENTED IN THE PLANE OF TRAVEL OF THE HANDLE, (B) A RIGID RETAINING MEMBER HAVING A PLURALITY OF VERTICES, AND (C) SAID RETAINING MEMBER PIVOTALLY CONNECTED AT A FIRST VERTEX TO THE EXTERNAL END OF THE SWITCH HANDLE FOR ROTATION ABOUT SAID FIRST VERTEX PARTIALLY INTO AND OUT OF SAID HANDLE SLOT, THE ROTATION OF SAID RETAINING MEMBER ADAPTED TO BRING RESPECTIVE ONES OF A SECOND AND THIRD VERTEX OF SAID MEMBER INTO CONTACT WITH THE SWITCH BOX ASSEMBLY SO THAT THE SWITCH HANDLE IS LOCKED IN AN ASSOCIATED MAKE OR BREAK SWITCH POSITION.
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) | 1967-10-20 | 1968-04-20 | 1968-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-20 | 1972-04-20 | 1972-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-20 | 1976-04-20 | 1976-10-20 | $7700.00 | Window Closed / Lapsed |