US3273091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hermetically-sealed manually-actuated magnetic snap switch
Assignee: METRODYNAMICS CORP
•
Filing: 1965-08-19
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Granted: 1966-09-13
•
Expires: 1985-08-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Nathaniel B Wales
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:39
CPC Classifications
H; H01; H01H; H01H36/00; H01H36/0073; Y; Y10; Y10S; Y10S336/00; Y10S336/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
A SWITCH COMPRISING: A CUP OF NON-MAGNETIC MATERIAL; A FIRST PERMANENT MAGNET MOVEABLY LOCATED WITHIN AND GUIDED BY THE WALL OF SAID CUP; A SECOND MOVEABLE PERMANENT MAGNET SURROUNDING AND GUIDED IN MOTION BY THE WALL OF SAID CUP; SAID FIRST AND SECOND MAGNETS BEING EACH MAGNETIZED PARALLEL TO THE AXIS OF SAID CUP AND IN THE SAME DIRECTION OF POLARZATION; A BELL CRANK PIVOTED ON AN AXIS TRANSVERSE TO SAID CUPAXIS; LINK MEANS CONNECTING ONE OF SAID PERMANENT MAGNETS AND SAID BELL CRANK; DISPLACEMENT MEANS COMPRISING SAID BELL CRANK AND LINK TO MOVE ONE OF SAID MAGNETS THROUGH A FIRST TRANSLATIONAL ACTUATING DISPLACEMENT PARALLEL TO THE AXIS OF SAID CUP; STOP MEANS TO LIMIT THE MOTION OF THE OTHER OF SAID MAGNETS TO A SECOND TRANSLATIONAL ACTUATED DISPLACEMENT LESS IN MAGNITUDE THAN AND POSITIONED TO BE WITHIN THE FIRST TRANSLATIONAL DISPLACEMENT; AND SAID STOP MEANS COMPRISING SWITCH CONTACTS FOR AT LEAST ONE END OF SAID SECOND DISPLACEMENT.
Claim 2
Dependent Claim
158 words
A SWITCH COMPRISING: A CUP OF NON-MAGNETIC MATERIAL; A FIRST PERMANENT MAGNET MOVEABLY LOCATED WITHIN AND GUIDED BY THE WALL OF SAID CUP; A SECOND MOVEABLE PERMANENT MAGNET SURROUNDING AND GUIDED IN MOTION BY THE WALL OF SAID CUP; SAID FIRST AND SECOND MAGNETS BEING EACH MAGNETIZED PARALLEL TO THE AXIS OF SAID CUP AND IN THE SAME DIRECTION OF POLARZATION; A BELL CRANK PIVOTED ON AN AXIS TRANSVERSE TO SAID CUPAXIS; LINK MEANS CONNECTING ONE OF SAID PERMANENT MAGNETS AND SAID BELL CRANK; DISPLACEMENT MEANS COMPRISING SAID BELL CRANK AND LINK TO MOVE ONE OF SAID MAGNETS THROUGH A FIRST TRANSLATIONAL ACTUATING DISPLACEMENT PARALLEL TO THE AXIS OF SAID CUP; STOP MEANS TO LIMIT THE MOTION OF THE OTHER OF SAID MAGNETS TO A SECOND TRANSLATIONAL ACTUATED DISPLACEMENT LESS IN MAGNITUDE THAN AND POSITIONED TO BE WITHIN THE FIRST TRANSLATIONAL DISPLACEMENT; AND SAID STOP MEANS COMPRISING SWITCH CONTACTS FOR AT LEAST ONE END OF SAID SECOND DISPLACEMENT.
References Cited (Backward Citations)
US2520935A
Cited
US3040146A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |