US3201542A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic mechanical switch
Assignee: Individual
•
Filing: 1963-07-23
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Granted: 1965-08-17
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Expires: 1983-07-23
Abstract
No abstract record available.
Inventors
- 👤 Homer T Hutchison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:39
CPC Classifications
H; H01; H01H; H01H36/00; F; F21; F21V; F21V23/00; F21V23/04; F21V23/0414; H01H35/00; H01H35/02; H01H35/027
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
IN A FLASHLIGHT, A MECHANICAL SWITCH COMPRISING A BODY HAVING A HOLLOW PORTION, A FIRST NON-MAGNETIC CONTACT PLATE CARRIED BY SAID BODY AND EXTENDING INTO SAID HOLLOW PORTION A DISTANCE SUBSTANTIALLY MORE THAN HALF THE LENGTH THEREOF, A SECOND NON-MAGNETIC CONTACT PLATE CARRIED BY SAID BODY AND EXTENDING INTO SAID HOLLOW PORTION A DISTANCE SUBSTANTIALLY LESS THAN HALF THE LENGTH THEREOF, SAID SECOND CONTACT PLATE BEING IN ALIGNMENT WITH AND SPACED FROM SAID FIRST CONTACT PLATE, A PAIR OF MAGNETIC SLUGS LOCATED WITHIN SAID HOLLOW PORTION AND DISPOSED IN A POSITION TO ATTRACT EACH OTHER, AND SAID PLUGS BEING OF A LENGTH LESS THAN THE LENGTH OF SAID FIRST CONTACT PLATE, WHEREBY RAPID MOVEMENT OF SAID BODY WILL CAUSE SAID MAGNETIC SLUGS TO MOVE BY MOMENTUM TO ONE END OF SAID HOLLOW PORTION TO COMPLETE OR INTERRUT THE FLOW OF ELECTRICAL ENERGY THROUGH SAID CONTACT PLATES.
Claim 2
Dependent Claim
146 words
IN A FLASHLIGHT, A MECHANICAL SWITCH COMPRISING A BODY HAVING A HOLLOW PORTION, A FIRST NON-MAGNETIC CONTACT PLATE CARRIED BY SAID BODY AND EXTENDING INTO SAID HOLLOW PORTION A DISTANCE SUBSTANTIALLY MORE THAN HALF THE LENGTH THEREOF, A SECOND NON-MAGNETIC CONTACT PLATE CARRIED BY SAID BODY AND EXTENDING INTO SAID HOLLOW PORTION A DISTANCE SUBSTANTIALLY LESS THAN HALF THE LENGTH THEREOF, SAID SECOND CONTACT PLATE BEING IN ALIGNMENT WITH AND SPACED FROM SAID FIRST CONTACT PLATE, A PAIR OF MAGNETIC SLUGS LOCATED WITHIN SAID HOLLOW PORTION AND DISPOSED IN A POSITION TO ATTRACT EACH OTHER, AND SAID PLUGS BEING OF A LENGTH LESS THAN THE LENGTH OF SAID FIRST CONTACT PLATE, WHEREBY RAPID MOVEMENT OF SAID BODY WILL CAUSE SAID MAGNETIC SLUGS TO MOVE BY MOMENTUM TO ONE END OF SAID HOLLOW PORTION TO COMPLETE OR INTERRUT THE FLOW OF ELECTRICAL ENERGY THROUGH SAID CONTACT PLATES.
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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |