US3241198A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Permanent magnet closure device
Assignee: Max Baermann GmbH
•
Filing: 1963-08-26
•
Granted: 1966-03-22
•
Expires: 1983-08-26
Abstract
No abstract record available.
Inventors
- 👤 Baermann Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:21
CPC Classifications
E; E05; E05C; E05C19/00; E05C19/16; E05C19/161
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
IN A CLOSURE DEVICE FOR FIRST AND SECOND RELATIVELY MOVABLE MEMBERS WITH SAID FIRST MEMBER BEING FORMED FROM A FERRO-MAGNETIC MATERIAL, SAID ARRANGEMENT COMPRISING AN ELONGATED, FLEXIBLE PERMANENT MAGNET WITH A SMOOTH UPPER MAGNETIZED SURFACE FACING SAID FIRST MEMBER, AN ELONGATED GASKET COEXTENSIVE WITH SAID MAGNET AND SECURED ONTO SAID SECOND MEMBER AND A MEANS FOR SECURING SAID MAGNET ONTO SAID GASKET, THE IMPROVEMENT COMPRISING: SAID MEANS INCLUDING A LONGITUDINALLY EXTENDING RECESS IN SAID MAGNET, SAID RECESS HAVING AT ONE SIDE THEREOF TWO INWARDLY EXTENDING LIPS DEFINING A SLOT COEXTENSIVE WITH SAID RECESS, A LONGITUDINALLY EXTENDING WEB PROTRUDING FROM SAID GASKET THROUGH SAID SLOT, A RIB HAVING A CROSS-SECTIONAL SHAPED MATCHING SAID RECESS AND ATTACHED ONTO SAID WEB, SAID RIB BEING COEXTENSIVE WITH SAID WEB AND EXTENDING INTO SAID RECESS WITH SAID MAGNET SURROUNDING SAID RIB WHEREBY THE MAGNET IS SECURELY LOCKED ONTO SAID RIB.
Claim 2
Dependent Claim
145 words
IN A CLOSURE DEVICE FOR FIRST AND SECOND RELATIVELY MOVABLE MEMBERS WITH SAID FIRST MEMBER BEING FORMED FROM A FERRO-MAGNETIC MATERIAL, SAID ARRANGEMENT COMPRISING AN ELONGATED, FLEXIBLE PERMANENT MAGNET WITH A SMOOTH UPPER MAGNETIZED SURFACE FACING SAID FIRST MEMBER, AN ELONGATED GASKET COEXTENSIVE WITH SAID MAGNET AND SECURED ONTO SAID SECOND MEMBER AND A MEANS FOR SECURING SAID MAGNET ONTO SAID GASKET, THE IMPROVEMENT COMPRISING: SAID MEANS INCLUDING A LONGITUDINALLY EXTENDING RECESS IN SAID MAGNET, SAID RECESS HAVING AT ONE SIDE THEREOF TWO INWARDLY EXTENDING LIPS DEFINING A SLOT COEXTENSIVE WITH SAID RECESS, A LONGITUDINALLY EXTENDING WEB PROTRUDING FROM SAID GASKET THROUGH SAID SLOT, A RIB HAVING A CROSS-SECTIONAL SHAPED MATCHING SAID RECESS AND ATTACHED ONTO SAID WEB, SAID RIB BEING COEXTENSIVE WITH SAID WEB AND EXTENDING INTO SAID RECESS WITH SAID MAGNET SURROUNDING SAID RIB WHEREBY THE MAGNET IS SECURELY LOCKED ONTO SAID RIB.
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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) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |