US3267247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum switch
Assignee: Individual
•
Filing: 1963-07-15
•
Granted: 1966-08-16
•
Expires: 1983-07-15
Abstract
No abstract record available.
Inventors
- 👤 Hugh C Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:58
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/60; H01H33/66; H01H33/666
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A SWITCH COMPRISING A HOUSING, AN ELECTRICAL SWITCH MOUNTED IN SAID HOUSING, MECHANICAL LINKAGE FOR ACTUATING SAID ELECTRICAL SWITCH, A PULL SPRING CONNECTED TO SAID LINKAGE FOR ACTIVATING THE SAME TO ACTUATE SAID ELECTRICAL SWITCH, SAID PULL SPRING BEING DISPOSED AT AN ANGLE RELATIVE TO SAID LINKAGE AND ADJUSTABLE ON SAID LINKAGE, A SHAFT MOUNTED IN SAID HOUSING AT AN INITIAL POSITION, ROTATING MEANS CONNECTED TO SAID SHAFT FOR IMPARTING ROTARY MOVEMENT THERETO FROM SAID INITIAL POSITION, MEANS MOUNTED ON SAID SHAFT AND CONNECTED TO SAID PULL SPRING FOR ACTIVATING SAID LINKAGE IN RESPONSE TO THE ROTATION OF SAID SHAFT, AND A RETURN SPRING CONNECTED TO SAID LAST-MENTIONED MEANS AND OPPOSITELY DIRECTED RELATIVE TO SAID PULL SPRING FOR RETURNING SAID SHAFT TO ITS INITIAL POSITION.
Claim 2
Dependent Claim
125 words
A SWITCH COMPRISING A HOUSING, AN ELECTRICAL SWITCH MOUNTED IN SAID HOUSING, MECHANICAL LINKAGE FOR ACTUATING SAID ELECTRICAL SWITCH, A PULL SPRING CONNECTED TO SAID LINKAGE FOR ACTIVATING THE SAME TO ACTUATE SAID ELECTRICAL SWITCH, SAID PULL SPRING BEING DISPOSED AT AN ANGLE RELATIVE TO SAID LINKAGE AND ADJUSTABLE ON SAID LINKAGE, A SHAFT MOUNTED IN SAID HOUSING AT AN INITIAL POSITION, ROTATING MEANS CONNECTED TO SAID SHAFT FOR IMPARTING ROTARY MOVEMENT THERETO FROM SAID INITIAL POSITION, MEANS MOUNTED ON SAID SHAFT AND CONNECTED TO SAID PULL SPRING FOR ACTIVATING SAID LINKAGE IN RESPONSE TO THE ROTATION OF SAID SHAFT, AND A RETURN SPRING CONNECTED TO SAID LAST-MENTIONED MEANS AND OPPOSITELY DIRECTED RELATIVE TO SAID PULL SPRING FOR RETURNING SAID SHAFT TO ITS INITIAL POSITION.
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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 |