Patent US3376574A successfully refreshed from Google Patents.
US3335239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic impact switch
Assignee: Individual
•
Filing: 1964-11-19
•
Granted: 1967-08-08
•
Expires: 1984-11-19
Abstract
No abstract record available.
Inventors
- 👤 Mary V Fey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:39
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/14; H01H36/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A MAGNETIC IMPACT OR SHOCK SWITCH ADAPTED TO BE ACTUATED UPON IMPACT, SAID SWITCH COMPRISING A HOUSING, A FIXED NORMALLY OPEN SWITCH CONTACT SUPPORTED WITHIN SAID HOUSING, MEANS OPERABLE UPON PHYSICAL SHOCK TO SAID HOUSING AS OCCASIONED BY IMPACT TO CLOSE A MOVABLE SWITCH ELEMENT SUPPORTED WITHIN SAID HOUSING AGAINST SAID FIXED SWITCH CONTACT, SAID MEANS COMPRISING A MAGNET MOUNTED ADJACENT SAID FIXED SWITCH AND MAGNETICALLY ATTRACTIVE MEANS NORMALLY POSITIONED OUT OF THE MAGNETIC FIELD OF SAID MAGNET BUT MOVABLE UPON SAID SHOCK FORCE INTO COOPERATION WITH SAID MOVABLE SWITCH ELEMENT AND INTO THE FIELD OF THE MAGNET AND ATTRACTED THEREBY TO MOVE SAID MOVABLE SWITCH INTO CONTACT WITH SAID FIXED SWITCH.
Claim 2
Dependent Claim
112 words
A MAGNETIC IMPACT OR SHOCK SWITCH ADAPTED TO BE ACTUATED UPON IMPACT, SAID SWITCH COMPRISING A HOUSING, A FIXED NORMALLY OPEN SWITCH CONTACT SUPPORTED WITHIN SAID HOUSING, MEANS OPERABLE UPON PHYSICAL SHOCK TO SAID HOUSING AS OCCASIONED BY IMPACT TO CLOSE A MOVABLE SWITCH ELEMENT SUPPORTED WITHIN SAID HOUSING AGAINST SAID FIXED SWITCH CONTACT, SAID MEANS COMPRISING A MAGNET MOUNTED ADJACENT SAID FIXED SWITCH AND MAGNETICALLY ATTRACTIVE MEANS NORMALLY POSITIONED OUT OF THE MAGNETIC FIELD OF SAID MAGNET BUT MOVABLE UPON SAID SHOCK FORCE INTO COOPERATION WITH SAID MOVABLE SWITCH ELEMENT AND INTO THE FIELD OF THE MAGNET AND ATTRACTED THEREBY TO MOVE SAID MOVABLE SWITCH INTO CONTACT WITH SAID FIXED SWITCH.
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) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |