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US3271983A
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US
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Magnetic locking device and method of combinating the same
Assignee: Schlage Lock Co LLC
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Filing: 1964-07-14
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Granted: 1966-09-13
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Expires: 1984-07-14
Abstract
No abstract record available.
Inventors
- 👤 Ernest L Schlage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:37
CPC Classifications
E; E05; E05B; E05B47/00; E05B47/0038; E05B47/0043; E05B35/00; E05B35/08; E05B35/083; Y; Y10; Y10T; Y10T70/00; Y10T70/70; Y10T70/7051; Y10T70/7057; Y10T70/7441; Y10T70/778; Y10T70/7791; Y10T70/7904; Y10T70/80
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A MAGNETIC LOCK COMPRISING: A FRAME, A MOVABLE MEMBER OF MAGNETIZABLE MATERIAL, MEANS SUPPORTING SAID MEMBER FOR MOVEMENT ALONG AN AXIS FIXED RELATIVE TO SAID FRAME BETWEEN TWO EXTERME POSITIONS, A GENERALLY PLANAR SLIDE SUPPORTED FOR MOVEMENT ALONG A PATH OF TRAVEL IN THE PLANE OF SAID SLIDE AND AT RIGHT ANGLES TO SAID AXIS, INTERENGAGING ELEMENTS ON SAID MEMBER AND SLIDE RESPECTIVELY AND ADAPTED TO COACT TO LOCK SAID SLIDE AGAINST MOVEMENT WHEN SAID MEMBER IS IN ONE OF SAID EXTREME POSITIONS, SAID INTERENGAGING ELEMENTS BEING OUT OF ENGAGEMENT TO UNLOCK SAID SLIDE WHEN SAID MEMBER IS IN THE OTHER OF SAID EXTREME POSITIONS TO PERMIT MOVEMENT OF SAID SLIDE.
Claim 2
Dependent Claim
111 words
A MAGNETIC LOCK COMPRISING: A FRAME, A MOVABLE MEMBER OF MAGNETIZABLE MATERIAL, MEANS SUPPORTING SAID MEMBER FOR MOVEMENT ALONG AN AXIS FIXED RELATIVE TO SAID FRAME BETWEEN TWO EXTERME POSITIONS, A GENERALLY PLANAR SLIDE SUPPORTED FOR MOVEMENT ALONG A PATH OF TRAVEL IN THE PLANE OF SAID SLIDE AND AT RIGHT ANGLES TO SAID AXIS, INTERENGAGING ELEMENTS ON SAID MEMBER AND SLIDE RESPECTIVELY AND ADAPTED TO COACT TO LOCK SAID SLIDE AGAINST MOVEMENT WHEN SAID MEMBER IS IN ONE OF SAID EXTREME POSITIONS, SAID INTERENGAGING ELEMENTS BEING OUT OF ENGAGEMENT TO UNLOCK SAID SLIDE WHEN SAID MEMBER IS IN THE OTHER OF SAID EXTREME POSITIONS TO PERMIT MOVEMENT OF SAID SLIDE.
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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) | 1969-09-12 | 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 |