Patent US3304418A successfully refreshed from Google Patents.
Patent US3258657A successfully refreshed from Google Patents.
US3258657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic apparatus for producing a uniform field
Assignee: —
•
Filing: —
•
Granted: 1966-06-28
•
Expires: 1983-06-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:24
CPC Classifications
H; H01; H01F; H01F7/00; H01F7/06; H01F7/20; H01F7/202; H01F6/00; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/879
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A CROSS FIELD ELECTROMAGNET COMPRISING TWO SPACED APART LEG MEMBERS, SAID LEG MEMBERS HAVING PARALLEL FACING SIDES, SAID LEG MEMBERS CONNECTED BY TWO PARALLEL YOKE MEMBERS TO FORM A CLOSED MAGNETIC CIRCUIT, A RECTANGULAR ELECTRICAL COIL WOUND ABOUT EACH OF SAID LEG MEMBERS AND IN CONTACT WITH EACH OF SAID YOKE MEMBERS, EACH OF SAID ELECTRICAL COILS HAVING A GERNERALLY RECTANGULAR CROSS-SECTION, SAID COILS BEING WOUND SO THAT THE MAGNETIC FLUX PRODUCED BY EACH COIL BETWEEN SAID YOKE MEMBERS IS ADDITIVE.
Claim 2
Dependent Claim
81 words
A CROSS FIELD ELECTROMAGNET COMPRISING TWO SPACED APART LEG MEMBERS, SAID LEG MEMBERS HAVING PARALLEL FACING SIDES, SAID LEG MEMBERS CONNECTED BY TWO PARALLEL YOKE MEMBERS TO FORM A CLOSED MAGNETIC CIRCUIT, A RECTANGULAR ELECTRICAL COIL WOUND ABOUT EACH OF SAID LEG MEMBERS AND IN CONTACT WITH EACH OF SAID YOKE MEMBERS, EACH OF SAID ELECTRICAL COILS HAVING A GERNERALLY RECTANGULAR CROSS-SECTION, SAID COILS BEING WOUND SO THAT THE MAGNETIC FLUX PRODUCED BY EACH COIL BETWEEN SAID YOKE MEMBERS IS ADDITIVE.
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) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |