Patent US3148346A successfully refreshed from Google Patents.
US3148346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic cores hermetically sealed within anodized aluminum core boxes
Assignee: Westinghouse Electric Corp
•
Filing: 1961-11-06
•
Granted: 1964-09-08
•
Expires: 1981-11-06
Abstract
No abstract record available.
Inventors
- 👤 Paul K Goethe
- 👤 Clifford C Horstman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:53
CPC Classifications
H; H01; H01F; H01F1/00; H01F1/01; H01F1/03; H01F1/12; H01F1/14; H01F1/20; H01F1/22; H01F27/00; H01F27/02; H01F27/022; H01F41/00; H01F41/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
AN ANODIZED ALUMINUM CORE BOX ENCLOSING A MAGNETIC CORE AND DAMPENING COMPOUND, SAID CORE BOX BEING HERMETICALLY SEALED BY A 10-30 MIL THICK COATING OF A MELT-FLOWED RESIN CONSISTING OF AN EPOXY RESIN TOGETHER WITH TITANIUM DIOXIDE FILLER.
Claim 2
Dependent Claim
38 words
AN ANODIZED ALUMINUM CORE BOX ENCLOSING A MAGNETIC CORE AND DAMPENING COMPOUND, SAID CORE BOX BEING HERMETICALLY SEALED BY A 10-30 MIL THICK COATING OF A MELT-FLOWED RESIN CONSISTING OF AN EPOXY RESIN TOGETHER WITH TITANIUM DIOXIDE FILLER.
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) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |