Patent US3109899A successfully refreshed from Google Patents.
US3109899A
Expired / Lapsed
US
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Handle lock
Assignee: Cutler Hammer Inc
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Filing: 1960-10-18
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Granted: 1963-11-05
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Expires: 1980-10-18
Abstract
No abstract record available.
Inventors
- 👤 Alexander J Pastene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:04
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/20; H01H9/28; H01H9/286; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/2063
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
IN A CIRCUIT BREAKER HAVING A HOUSING AND AN OPERATING HANDLE EXTENDING THROUGH AN OPENING TO THE EXTERIOR OF THE HOUSING AND BEING RECIPROCABLY MOVABLE TO A PLURALITY OF OPERATING POSITIONS, MEANS FOR LOCKING THE OPERATING HANDLE IN A SELECTED OPERATING POSITION COMPRISING A LOCKING DEVICE PARTIALLY INSERTABLE IN THE HANDLE OPENING IN THE HOUSING IN ABUTTING RELATION TO THE OPERATING HANDLE, AND COOPERATING PORTIONS ON SAID DEVICE AND ON THE HOUSING AT THE SIDES OF SAID HANDLE OPENING WHICH PARALLEL THE GENERAL DIRECTION OF RECIPROCATORY MOVEMENT OF SAID HANDLE, SAID COOPERATING PORTIONS BEING EFFECTIVE TO SECURELY RETAIN SAID DEVICE IN SUCH OPENING THEREBY TO PREVENT MOVEMENT OF THE OPERATING HANDLE, SAID LOCKING DEVICE COMPRISING A RESILIENT MEMBER NORMALLY UNINSERTABLE IN THE HANDLE OPENING AND BEING STRAINABLE TO ALLOW INSERTION OF AT LEAST A PORTION THEREOF IN THE OPENING, RELEASE OF SAID MEMBER WHEN SO INSERTED EFFECTING ENGAGEMENT OF SAID COOPERATING PORTIONS.
Claim 2
Dependent Claim
152 words
IN A CIRCUIT BREAKER HAVING A HOUSING AND AN OPERATING HANDLE EXTENDING THROUGH AN OPENING TO THE EXTERIOR OF THE HOUSING AND BEING RECIPROCABLY MOVABLE TO A PLURALITY OF OPERATING POSITIONS, MEANS FOR LOCKING THE OPERATING HANDLE IN A SELECTED OPERATING POSITION COMPRISING A LOCKING DEVICE PARTIALLY INSERTABLE IN THE HANDLE OPENING IN THE HOUSING IN ABUTTING RELATION TO THE OPERATING HANDLE, AND COOPERATING PORTIONS ON SAID DEVICE AND ON THE HOUSING AT THE SIDES OF SAID HANDLE OPENING WHICH PARALLEL THE GENERAL DIRECTION OF RECIPROCATORY MOVEMENT OF SAID HANDLE, SAID COOPERATING PORTIONS BEING EFFECTIVE TO SECURELY RETAIN SAID DEVICE IN SUCH OPENING THEREBY TO PREVENT MOVEMENT OF THE OPERATING HANDLE, SAID LOCKING DEVICE COMPRISING A RESILIENT MEMBER NORMALLY UNINSERTABLE IN THE HANDLE OPENING AND BEING STRAINABLE TO ALLOW INSERTION OF AT LEAST A PORTION THEREOF IN THE OPENING, RELEASE OF SAID MEMBER WHEN SO INSERTED EFFECTING ENGAGEMENT OF SAID COOPERATING PORTIONS.
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) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |