US3267223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interlocking mechanism for electric switches
Assignee: Cutler Hammer Inc
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Filing: 1964-08-12
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Granted: 1966-08-16
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Expires: 1984-08-12
Abstract
No abstract record available.
Inventors
- 👤 Robert E Larkin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:47
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/24; H01H35/26; H01H35/2607; H01H35/2614; H01H9/00; H01H9/02; H01H9/06; H01H9/063; H01H9/20; H01H9/26; H01H19/00; H01H19/54; H01H19/60; H01H19/635
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
IN AN ELECTRICAL SWITCH ASSEMBLY; A FIRST SWITCH HAVING FIRST AND SECOND OPERATING POSITIONS; A SECOND SWITCH HAVING A BASE MEMBER AND A MOVABLE OPERATING MEMBER EXTERIOR THERETO; MOUNTING MEANS TO WHICH SAID SECOND SWITCH IS FASTENED, THE OPERATING MEMBER OF SAID SECOND SWITCH BEING ONE SIDE OF SAID MOUNTING MEANS AND SAID BASE MEMBER BEING MOUNTED IN THE OPPOSITE SIDE OF SAID MOUNTING MEANS; AND INTERLOCKING MEANS EFFECTIVE TO PREVENT OPERATION OF SAID SECOND SWITCH WHEN SAID FIRST SWITCH IS MOVED FROM ITS POSITION BUT ALLOW OPERATION OF SAID SECOND SWITCH WHEN SAID FIRST SWITCH IS IN ITS FIRST OPERATING POSITION COMPRISING: LOCKING MEANS MOUNTED BETWEEN SAID BASE MEMBER AND SAID MOUNTING MEANS COMMUNICATING TO SAID ONE SIDE OF SAID MOUNTING MEANS VIA AN APERTURE
Claim 2
Dependent Claim
126 words
IN AN ELECTRICAL SWITCH ASSEMBLY; A FIRST SWITCH HAVING FIRST AND SECOND OPERATING POSITIONS; A SECOND SWITCH HAVING A BASE MEMBER AND A MOVABLE OPERATING MEMBER EXTERIOR THERETO; MOUNTING MEANS TO WHICH SAID SECOND SWITCH IS FASTENED, THE OPERATING MEMBER OF SAID SECOND SWITCH BEING ONE SIDE OF SAID MOUNTING MEANS AND SAID BASE MEMBER BEING MOUNTED IN THE OPPOSITE SIDE OF SAID MOUNTING MEANS; AND INTERLOCKING MEANS EFFECTIVE TO PREVENT OPERATION OF SAID SECOND SWITCH WHEN SAID FIRST SWITCH IS MOVED FROM ITS POSITION BUT ALLOW OPERATION OF SAID SECOND SWITCH WHEN SAID FIRST SWITCH IS IN ITS FIRST OPERATING POSITION COMPRISING: LOCKING MEANS MOUNTED BETWEEN SAID BASE MEMBER AND SAID MOUNTING MEANS COMMUNICATING TO SAID ONE SIDE OF SAID MOUNTING MEANS VIA AN APERTURE
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) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |