Patent US3102749A successfully refreshed from Google Patents.
US3102749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic door catch
Assignee: M&H Industries
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Filing: 1960-12-06
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Granted: 1963-09-03
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Expires: 1980-12-06
Abstract
No abstract record available.
Inventors
- 👤 Heyer Don
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:00
CPC Classifications
E; E05; E05C; E05C19/00; E05C19/16; Y; Y10; Y10T; Y10T292/00; Y10T292/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A MAGNETIC DOOR CATCH ASSEMBLY COMPRISING: A PLATE-LIKE MAGNET; POLE PIECES ON SAID MAGNET; FASTENING MEANS RETAINING SAID POLE PIECES AND MAGNET ASSEMBLED AS A UNIT WITH SAID POLE PIECES DISPOSED FOR CONTACT BY A DOOR-CARRIED STRIKE PLATE TO MAGNETICALLY HOLD THE LATTER; AND A BRACKET CONSTITUTING IN ENTIRETY OPPOSED MAGNET GRIPPING PORTIONS AND MOUNTING EARS CARRIED BY SUCH PORTIONS; SAID MAGNET GRIPPING PORTIONS BEING ENGAGED WITH OPPOSED EDGES OF SAID MAGNET SO THAT THE MAGNET AND SAID MAGNET GRIPPING PORTIONS ARE IMMOVABLY IN CONTACT WITH ONE ANOTHER; SAID MOUNTING EARS BEING EXTENDED OUTWARDLY FROM OPPOSITE EDGES OF SAID MAGNET FOR CONNECTION WITH A SUPPORT FOR THE ASSEMBLY.
Claim 2
Dependent Claim
108 words
A MAGNETIC DOOR CATCH ASSEMBLY COMPRISING: A PLATE-LIKE MAGNET; POLE PIECES ON SAID MAGNET; FASTENING MEANS RETAINING SAID POLE PIECES AND MAGNET ASSEMBLED AS A UNIT WITH SAID POLE PIECES DISPOSED FOR CONTACT BY A DOOR-CARRIED STRIKE PLATE TO MAGNETICALLY HOLD THE LATTER; AND A BRACKET CONSTITUTING IN ENTIRETY OPPOSED MAGNET GRIPPING PORTIONS AND MOUNTING EARS CARRIED BY SUCH PORTIONS; SAID MAGNET GRIPPING PORTIONS BEING ENGAGED WITH OPPOSED EDGES OF SAID MAGNET SO THAT THE MAGNET AND SAID MAGNET GRIPPING PORTIONS ARE IMMOVABLY IN CONTACT WITH ONE ANOTHER; SAID MOUNTING EARS BEING EXTENDED OUTWARDLY FROM OPPOSITE EDGES OF SAID MAGNET FOR CONNECTION WITH A SUPPORT FOR THE ASSEMBLY.
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) | 1966-09-02 | 1967-03-04 | 1967-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-02 | 1971-03-04 | 1971-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-02 | 1975-03-04 | 1975-09-03 | $7700.00 | Window Closed / Lapsed |