US3261631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic latching mechanism
Assignee: Individual
•
Filing: 1964-03-11
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Granted: 1966-07-19
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Expires: 1984-03-11
Abstract
No abstract record available.
Inventors
- 👤 Frank G Alessi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:01
CPC Classifications
E; E05; E05C; E05C17/00; E05C17/56; Y; Y10; Y10T; Y10T292/00; Y10T292/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
A LATCHING MECHANISM FOR USE WITH A SUPPORT STRUCTURE AND A MOVABLE STRUCTURE THAT IS MOVABLE RELATIVE TO THE SUPPORT STRUCTURE, A FIRST UNIT COMPRISING A BRACKET THAT IS ADAPTED TO BE SECURED TO ONE OF SAID STRUCTURES, A MAGNETIC MEMBER, PIVOT MEANS CONNECTING THE MAGNETIC MEMBER TO THE BRACKET, AND MEANS COMPRISING A LOCKING MEMBER RELEASABLY CONNECTING THE BRACKET TO THE PIVOT MEANS FOR ADJUSTING THE ANGULAR POSITION OF THE MAGNETIC MEMBER RELATIVE TO THE BRACKET, SAID FIRST UNIT ALSO INCLUDING A FUSIBLE ELEMENT THAT IS SOLID AT AND BELOW A PRESELECTED TEMPERATURE AND THAT BECOMES PLASTIC AT A TEMPERATURE ABOVE SAID PRESELECTED TEMPERATURE, SAID FUSIBLE ELEMENT JOINING ONE PORTION OF THE FIRST UNIT TO THE REMAINDER THEREOF, AND A SECOND UNIT COMPRISING A PERMANENT MAGNET THAT IS ADAPTED TO BE SECURED TO THE OTHER OF SAID STRUCTURES, THE PARTS BEING SO CONSTRUCTED AND ARRANGED THAT THE FIRST AND AND SECOND UNITS ARE RELEASABLY COUPLED BY MAGNETIC ATTRACTION BETWEEN THE PERMANENT MAGNET AND THE MAGNETIC MEMBER WHEN SAID STRUCTURES ARE IN ONE RELATIVE POSITION.
Claim 2
Dependent Claim
175 words
A LATCHING MECHANISM FOR USE WITH A SUPPORT STRUCTURE AND A MOVABLE STRUCTURE THAT IS MOVABLE RELATIVE TO THE SUPPORT STRUCTURE, A FIRST UNIT COMPRISING A BRACKET THAT IS ADAPTED TO BE SECURED TO ONE OF SAID STRUCTURES, A MAGNETIC MEMBER, PIVOT MEANS CONNECTING THE MAGNETIC MEMBER TO THE BRACKET, AND MEANS COMPRISING A LOCKING MEMBER RELEASABLY CONNECTING THE BRACKET TO THE PIVOT MEANS FOR ADJUSTING THE ANGULAR POSITION OF THE MAGNETIC MEMBER RELATIVE TO THE BRACKET, SAID FIRST UNIT ALSO INCLUDING A FUSIBLE ELEMENT THAT IS SOLID AT AND BELOW A PRESELECTED TEMPERATURE AND THAT BECOMES PLASTIC AT A TEMPERATURE ABOVE SAID PRESELECTED TEMPERATURE, SAID FUSIBLE ELEMENT JOINING ONE PORTION OF THE FIRST UNIT TO THE REMAINDER THEREOF, AND A SECOND UNIT COMPRISING A PERMANENT MAGNET THAT IS ADAPTED TO BE SECURED TO THE OTHER OF SAID STRUCTURES, THE PARTS BEING SO CONSTRUCTED AND ARRANGED THAT THE FIRST AND AND SECOND UNITS ARE RELEASABLY COUPLED BY MAGNETIC ATTRACTION BETWEEN THE PERMANENT MAGNET AND THE MAGNETIC MEMBER WHEN SAID STRUCTURES ARE IN ONE RELATIVE POSITION.
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) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |