US3106769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic cores hermetically sealed within metal core boxes
Assignee: Westinghouse Electric Corp
•
Filing: 1958-08-01
•
Granted: 1963-10-15
•
Expires: 1978-08-01
Abstract
No abstract record available.
Inventors
- 👤 Paul K Goethe
- 👤 Clifford C Horstman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:13
CPC Classifications
H; H01; H01F; H01F41/00; H01F41/02; H01F41/0206; H01F41/0213; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49075; Y10T29/49078
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
THE METHOD OF PREPARING A MAGNETIC CORE SEALED HERMETICALLY WITHIN A METAL CORE BOX WHICH COMPRISES POSITIONING A MAGNETIC CORE WITHIN AN ANNULAR ENCLOSURE OF AN ANODIZED METALLIC BOX, FILLING THE REMAINING FREE SPACE OF SAID ENCLOSURE WITH A DAMPENING COMPOUND, PREHEATING SAID ENCLOSURE TO A TEMPEARTURE ABOVE THE MELTING POINT OF A RESIN TO BE APPLIED THERETO, FLUIDIZING A MASS OF PARTICLES OF THE RESIN TO BE APPLIED BY PASSING A STREAM OF A GAS THROUGH SAID PARTICLE MASS, THE RESIN PARTICLES BEING OF AN AVERAGE PARTICLE SIZE OF FROM 50 TO 350 MESH SIZE, IMMERSING THE HEATED BOX IN SAID FLUIDIZED MASS OF RESIN PARTICLES WHEREBY PARTICLES CONTACTING SAID BOX MELT AND ADHERE THERETO, THE TEMPERATURE OF PREHEATING AND THE TIME OF IMMERSION BEING CORRELATED TO PROVIDE FOR DEPOSITING A DESIRED THICKNESS OF THE RESIN THEREON, WITHDRAWING SAID BOX WITH MELTED RESIN ADHERING THERETO FROM SAID MASS, AND COOLING SAID BOX WHEREBY THE RESIN HARDENS TO PROVIDE A SMOOTH UNIFORM HERMETIC COATING THEREABOUT.
Claim 2
Independent Claim
165 words
THE METHOD OF PREPARING A MAGNETIC CORE SEALED HERMETICALLY WITHIN A METAL CORE BOX WHICH COMPRISES POSITIONING A MAGNETIC CORE WITHIN AN ANNULAR ENCLOSURE OF AN ANODIZED METALLIC BOX, FILLING THE REMAINING FREE SPACE OF SAID ENCLOSURE WITH A DAMPENING COMPOUND, PREHEATING SAID ENCLOSURE TO A TEMPEARTURE ABOVE THE MELTING POINT OF A RESIN TO BE APPLIED THERETO, FLUIDIZING A MASS OF PARTICLES OF THE RESIN TO BE APPLIED BY PASSING A STREAM OF A GAS THROUGH SAID PARTICLE MASS, THE RESIN PARTICLES BEING OF AN AVERAGE PARTICLE SIZE OF FROM 50 TO 350 MESH SIZE, IMMERSING THE HEATED BOX IN SAID FLUIDIZED MASS OF RESIN PARTICLES WHEREBY PARTICLES CONTACTING SAID BOX MELT AND ADHERE THERETO, THE TEMPERATURE OF PREHEATING AND THE TIME OF IMMERSION BEING CORRELATED TO PROVIDE FOR DEPOSITING A DESIRED THICKNESS OF THE RESIN THEREON, WITHDRAWING SAID BOX WITH MELTED RESIN ADHERING THERETO FROM SAID MASS, AND COOLING SAID BOX WHEREBY THE RESIN HARDENS TO PROVIDE A SMOOTH UNIFORM HERMETIC COATING THEREABOUT.
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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) | 1966-10-14 | 1967-04-15 | 1967-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-14 | 1971-04-15 | 1971-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-14 | 1975-04-15 | 1975-10-15 | $7700.00 | Window Closed / Lapsed |