US3176253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transformer core and lamination therefor
Assignee: Basic Products Corp
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Filing: 1960-11-08
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Granted: 1965-03-30
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Expires: 1980-11-08
Abstract
No abstract record available.
Inventors
- 👤 Gottfried E Radtke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:47
CPC Classifications
H; H01; H01F; H01F41/00; H01F41/02; H01F41/0206; H01F41/0233; H01F38/00; H01F38/08; H01F38/10; H05; H05B; H05B41/00; H05B41/14; H05B41/16; H05B41/20; H05B41/23; H05B41/232; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49075; Y10T29/49078
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
303 words
A LAMINATION FOR A TRANSFORMER CORE HAVING AN AREA FOR EACH OF TWO WINDINGS AND A HIGH RELUCTANCE SHUNT BETWEEN SUCH WINDINGS COMPRISING, FIRST AND SECOND L MEMBERS AND A T MEMBER DISPOSED BETWEEN SAID L MEMEBERS, SAID L MEMBERS EACH INCLUDING A LEG PORTION AND A FOOT PORTION AND SAID T MEMBER INCLUDING A LEG PORTION AND A HEAD PORTION, THE LEG PORTIONS OF EACH OF SAID L MEMBERS INCLUDING A WIDE SETION ADJACENT THE FOOT PORTION AND A NARROW SECTION EXTENDING FROM THE WIDE SECTION TO THE EXTREMITY OF THE LEG PORTION, THE LEG PORTION OF SAID T MEMBER INCLUDING A WIDE SECTION ADJACENT THE HEAD PORTION AND A NARROW SECTION EXTENDING FROM THE WIDE SECTION TO THE EXTREMITY OF THE LEG PORTION, THE HEAD PORTION OF SAID T MEMBER BEING DISPOSED BETWEEN THE EXTREMITIES OF THE NARROW SECTIONS OF THE LEG PORTIONS OF SAID FIRST AND SECOND L MEMBERS, THE EXTREMITY OF THE NARROW SECTION OF THE LEG PORTION OF SAID T MEMBER BEING DISPOSED BETWEEN THE FOOT PORTIONS FACING EACH OTHER OF SAID L MEMBERS, THE WIDE SECTION OF THE LEG PORTION OF SAID T MEMBERS HAVING SUCH A LENGTH AND THE WIDE SECTIONS OF THE LEGS OF SAID FIRST AND SECOND L MEMBERS EACH HAVING SUCH A LENGTH THAT THE EXTREMITIES OF SAID WIDE SECTIONS OF SAID FIRST AND SECOND L MEMBERS OVEREXTEND THE EXTREMITY OF THE WIDE SECTION OF THE LEG PORTION OF SAID T MEMBER, SAID OVEREXTENSION COMPRISING SAID HIGH RELUCTANCE SHUNT, AND THE AREAS BETWEEN THE NARROW LEG SECTION OF SAID T MEMBER AND THE WIDE LEG SECTIONS OF SAID L MEMBERS FORMING A WINDOW FOR ONE WINDING AND THE AREAS BETWEEN THE WIDE LEG SECTION OF SAID T MEMBER AND THE NARROW LEG SECTIONS OF SAID L MEMBERS FORMING A WINDOW FOR ANOTHER WINDING.
Claim 2
Dependent Claim
303 words
A LAMINATION FOR A TRANSFORMER CORE HAVING AN AREA FOR EACH OF TWO WINDINGS AND A HIGH RELUCTANCE SHUNT BETWEEN SUCH WINDINGS COMPRISING, FIRST AND SECOND L MEMBERS AND A T MEMBER DISPOSED BETWEEN SAID L MEMEBERS, SAID L MEMBERS EACH INCLUDING A LEG PORTION AND A FOOT PORTION AND SAID T MEMBER INCLUDING A LEG PORTION AND A HEAD PORTION, THE LEG PORTIONS OF EACH OF SAID L MEMBERS INCLUDING A WIDE SETION ADJACENT THE FOOT PORTION AND A NARROW SECTION EXTENDING FROM THE WIDE SECTION TO THE EXTREMITY OF THE LEG PORTION, THE LEG PORTION OF SAID T MEMBER INCLUDING A WIDE SECTION ADJACENT THE HEAD PORTION AND A NARROW SECTION EXTENDING FROM THE WIDE SECTION TO THE EXTREMITY OF THE LEG PORTION, THE HEAD PORTION OF SAID T MEMBER BEING DISPOSED BETWEEN THE EXTREMITIES OF THE NARROW SECTIONS OF THE LEG PORTIONS OF SAID FIRST AND SECOND L MEMBERS, THE EXTREMITY OF THE NARROW SECTION OF THE LEG PORTION OF SAID T MEMBER BEING DISPOSED BETWEEN THE FOOT PORTIONS FACING EACH OTHER OF SAID L MEMBERS, THE WIDE SECTION OF THE LEG PORTION OF SAID T MEMBERS HAVING SUCH A LENGTH AND THE WIDE SECTIONS OF THE LEGS OF SAID FIRST AND SECOND L MEMBERS EACH HAVING SUCH A LENGTH THAT THE EXTREMITIES OF SAID WIDE SECTIONS OF SAID FIRST AND SECOND L MEMBERS OVEREXTEND THE EXTREMITY OF THE WIDE SECTION OF THE LEG PORTION OF SAID T MEMBER, SAID OVEREXTENSION COMPRISING SAID HIGH RELUCTANCE SHUNT, AND THE AREAS BETWEEN THE NARROW LEG SECTION OF SAID T MEMBER AND THE WIDE LEG SECTIONS OF SAID L MEMBERS FORMING A WINDOW FOR ONE WINDING AND THE AREAS BETWEEN THE WIDE LEG SECTION OF SAID T MEMBER AND THE NARROW LEG SECTIONS OF SAID L MEMBERS FORMING A WINDOW FOR ANOTHER WINDING.
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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) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |