Patent US4730520A successfully refreshed from Google Patents.
Patent US3351368A successfully refreshed from Google Patents.
US3351368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic catch
Assignee: Individual
•
Filing: 1965-08-05
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Granted: 1967-11-07
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Expires: 1985-08-05
Abstract
No abstract record available.
Inventors
- 👤 Richard K Sweet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:21
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
109 words
IN A MAGNETIC CATCH, A MAGNET ASSEMBLY COMPRISING A PAIR OF POLE PIECES IN THE FORM OF PARALLEL FLAT PLATES, AND A MAGNET SANDWICHED BETWEEN SAID PALTES, A HOUSING FOR SAID MAGNET ASSEMBLY COMPRISING A PAIR OF SPACED PARALLEL WALLS HAVING INTERCONNECTIN MEANS ALONG ONE EDGE THEREOF WITH INNER SURFACES, FACING THE OUTER SURFACES OF SAID POLE PIECES, AND A RIB EXTENDING FROM THE INNER SURFACE OF EACH OF SAID WALLS SPACED FROM SAID INTERCONNECTING MEANS AND OPPOSING EACH OTHER, SAID RIBS BEING OF RESILIENT PLASTIC MATERIAL AND SHAPED FOR PRESSURE ENGAGEMENT WITH SIDE POLE PIECES TO FRICTIONALLY HOLD SAID MAGNET ASSEMBLY IN A FIXED POSITION IN SAID HOUSING.
Claim 2
Dependent Claim
109 words
IN A MAGNETIC CATCH, A MAGNET ASSEMBLY COMPRISING A PAIR OF POLE PIECES IN THE FORM OF PARALLEL FLAT PLATES, AND A MAGNET SANDWICHED BETWEEN SAID PALTES, A HOUSING FOR SAID MAGNET ASSEMBLY COMPRISING A PAIR OF SPACED PARALLEL WALLS HAVING INTERCONNECTIN MEANS ALONG ONE EDGE THEREOF WITH INNER SURFACES, FACING THE OUTER SURFACES OF SAID POLE PIECES, AND A RIB EXTENDING FROM THE INNER SURFACE OF EACH OF SAID WALLS SPACED FROM SAID INTERCONNECTING MEANS AND OPPOSING EACH OTHER, SAID RIBS BEING OF RESILIENT PLASTIC MATERIAL AND SHAPED FOR PRESSURE ENGAGEMENT WITH SIDE POLE PIECES TO FRICTIONALLY HOLD SAID MAGNET ASSEMBLY IN A FIXED POSITION IN SAID HOUSING.
References Cited (Backward Citations)
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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) | 1970-11-06 | 1971-05-08 | 1971-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-06 | 1975-05-08 | 1975-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-06 | 1979-05-08 | 1979-11-07 | $7700.00 | Window Closed / Lapsed |