US3299304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated core having low compressibility characteristics for an electrical inductive device
Assignee: General Electric Co
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Filing: 1964-06-26
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Granted: 1967-01-17
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Expires: 1984-06-26
Abstract
No abstract record available.
Inventors
- 👤 Bobbie B Hull
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:32
CPC Classifications
H; H02; H02K; H02K1/00; H02K1/06; H02K1/12; H02K1/16; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/4902; Y10T29/49075; Y10T29/49078
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A MAGNETIZABLE LAMINATED CORE FOR USE IN AN ELECTRICAL INDUCTIVE DEVICE, SAID CORE COMPRISING A NUMBER OF LAMINATIONS EACH HAVING OPENINGS AND A PLURALITY OF SELECTED HOLES SPACED FROM THE OPENINGS, SAID LAMINATIONS BEING IN STACKED RELATION WITH THE OPENINGS AND SELECTED HOLES OF THE INDIVIDUAL LAMINATIONS BEING ALIGNED TO FORM RESPECTIVELY WINDING ACCOMMODATING MEANS AND AT LEAST A PLURALITY OF PASSAGEWAYS AXIALLY THROUGH THE STACK, MEANS INCLUDING A HARDENED ADHESIVE BONDING MATERIAL DISPOSED BETWEEN AND ENGAGING NEXT ADJACENT LAMINATIONS SECURING THE LAMINATIONS TOGETHER, THE REGIONS AROUND THE INDIVIDUAL HOLES OF SAID ADJACENT LAMINATIONS BEING SUBSTANTIALLY FREE FROM BONDING MATERIAL WHEREBY SAID REGIONS ADJACENT THE PLURALITY OF PASSAGEWAYS OF SAID LAMINATIONS TEND TO ASSUME GENERALLY THE SAME RELATIVE COMPRESSIVE POSITIONS TO ONE ANOTHER UPON REPEATED APPLICATIONS OF PREDETERMINED COMPRESSIVE FORCES BY CORE SECURING MEANS TO SAID REGIONS.
Claim 2
Dependent Claim
137 words
A MAGNETIZABLE LAMINATED CORE FOR USE IN AN ELECTRICAL INDUCTIVE DEVICE, SAID CORE COMPRISING A NUMBER OF LAMINATIONS EACH HAVING OPENINGS AND A PLURALITY OF SELECTED HOLES SPACED FROM THE OPENINGS, SAID LAMINATIONS BEING IN STACKED RELATION WITH THE OPENINGS AND SELECTED HOLES OF THE INDIVIDUAL LAMINATIONS BEING ALIGNED TO FORM RESPECTIVELY WINDING ACCOMMODATING MEANS AND AT LEAST A PLURALITY OF PASSAGEWAYS AXIALLY THROUGH THE STACK, MEANS INCLUDING A HARDENED ADHESIVE BONDING MATERIAL DISPOSED BETWEEN AND ENGAGING NEXT ADJACENT LAMINATIONS SECURING THE LAMINATIONS TOGETHER, THE REGIONS AROUND THE INDIVIDUAL HOLES OF SAID ADJACENT LAMINATIONS BEING SUBSTANTIALLY FREE FROM BONDING MATERIAL WHEREBY SAID REGIONS ADJACENT THE PLURALITY OF PASSAGEWAYS OF SAID LAMINATIONS TEND TO ASSUME GENERALLY THE SAME RELATIVE COMPRESSIVE POSITIONS TO ONE ANOTHER UPON REPEATED APPLICATIONS OF PREDETERMINED COMPRESSIVE FORCES BY CORE SECURING MEANS TO SAID REGIONS.
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) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |