US3331043A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Permanent holding magnet
Assignee: Individual
•
Filing: 1965-09-14
•
Granted: 1967-07-11
•
Expires: 1985-09-14
Abstract
No abstract record available.
Inventors
- 👤 Orzabal Raul Hector
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:18
CPC Classifications
E; E05; E05C; E05C19/00; E05C19/16; H; H01; H01F; H01F7/00; H01F7/02; H01F7/0231; H01F7/0252; Y; Y10; Y10T; Y10T292/00; Y10T292/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
AN IMPROVED PERMANENT HOLDING MAGNET COMPPRISING A PERMANENT MAGNET BODY, AND AN INTEGRAL HOUSING OF MAGNETICALLY SOFT MATERIAL DISPOSED OVER SAID MAGNET BODY AND INCLUDING A BOTTOM WALL AND FIRST AND SECOND SIDE WALLS FORMING OPPOSITE POLE SHOES EXTENDING OUTWARDLY FROM EACH SIDE OF SAID BOTTOM WALL EACH IN DIRECT CONTACT WITH SAID PERMANENT MAGNET BODY, AND AT LEAST ONE OPENING IN SAID BOTTOM WALL DEFINING AT LEAST TWO WALL PORTIONS BOUNDING EACH END OF THE OPENING CONSTITUTING SATURATED MAGNETIC SHUNTS.
Claim 2
Dependent Claim
81 words
AN IMPROVED PERMANENT HOLDING MAGNET COMPPRISING A PERMANENT MAGNET BODY, AND AN INTEGRAL HOUSING OF MAGNETICALLY SOFT MATERIAL DISPOSED OVER SAID MAGNET BODY AND INCLUDING A BOTTOM WALL AND FIRST AND SECOND SIDE WALLS FORMING OPPOSITE POLE SHOES EXTENDING OUTWARDLY FROM EACH SIDE OF SAID BOTTOM WALL EACH IN DIRECT CONTACT WITH SAID PERMANENT MAGNET BODY, AND AT LEAST ONE OPENING IN SAID BOTTOM WALL DEFINING AT LEAST TWO WALL PORTIONS BOUNDING EACH END OF THE OPENING CONSTITUTING SATURATED MAGNETIC SHUNTS.
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) | 1970-07-10 | 1971-01-09 | 1971-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-10 | 1975-01-09 | 1975-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-10 | 1979-01-09 | 1979-07-11 | $7700.00 | Window Closed / Lapsed |