Patent US3162829A successfully refreshed from Google Patents.
US3162829A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ferromagnetic pot-core assembles
Assignee: US Philips Corp
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Filing: 1959-11-12
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Granted: 1964-12-22
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Expires: 1979-11-12
Abstract
No abstract record available.
Inventors
- 👤 Wildy Ronald Gordon
- 👤 Snelling Eric Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:44
CPC Classifications
H; H01; H01F; H01F17/00; H01F17/04; H01F17/043
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A FERROMAGNETIC POT CORE ASSEMBLY COMPRISING A TUBULAR HOUSING MEMBER HAVING A PLURALITY OF INWARDLY DIRECTED LONGITUDINAL RIBS AND AN INWARDLY TURNED EDGE AT ONE END THEREOF, A TERMINAL PLATE SUPPORTED ON SAID EDGE AND CLOSING SAID ONE END OF SAID HOUSING MEMBER, A PLURALITY OF POT CORE PARTS INCLUDE CORE HALVES WITHIN SAID HOUSING, EACH SAID CORE HALF HAVING A PLURALITY OF KEYWAYS FOR RECEIVING SAID LONGITUDINAL RIBS TO PREVENT RELATIVE ROTATIONAL DISPLACEMENT OF SAID POT CORE HALVES, A RETAINER PLATE HAVING A CENTRAL THREADED BORE SECURED WITHIN SAID HOUSING AT THE OTHER END OF SAID MEMBER, MEANS FOR SECURING SAID RETAINER PLATE, A RESILIENT MEMBER INTERMEDIATE SAID RETAINER PLATE AND THE ADJACENT POT CORE HALF, A THREADED SCREW MEMBER WITHIN SAID BORE HAVING A FLANGE ENGAGING SAID RETAINER PLATE FOR LIMITING RELATIVE INWARD MOVEMENT OF SAID ROD, SAID ROD ENGAGING AND STRESSING SAID SPRING WASHER AND SAID
Claim 2
Dependent Claim
149 words
A FERROMAGNETIC POT CORE ASSEMBLY COMPRISING A TUBULAR HOUSING MEMBER HAVING A PLURALITY OF INWARDLY DIRECTED LONGITUDINAL RIBS AND AN INWARDLY TURNED EDGE AT ONE END THEREOF, A TERMINAL PLATE SUPPORTED ON SAID EDGE AND CLOSING SAID ONE END OF SAID HOUSING MEMBER, A PLURALITY OF POT CORE PARTS INCLUDE CORE HALVES WITHIN SAID HOUSING, EACH SAID CORE HALF HAVING A PLURALITY OF KEYWAYS FOR RECEIVING SAID LONGITUDINAL RIBS TO PREVENT RELATIVE ROTATIONAL DISPLACEMENT OF SAID POT CORE HALVES, A RETAINER PLATE HAVING A CENTRAL THREADED BORE SECURED WITHIN SAID HOUSING AT THE OTHER END OF SAID MEMBER, MEANS FOR SECURING SAID RETAINER PLATE, A RESILIENT MEMBER INTERMEDIATE SAID RETAINER PLATE AND THE ADJACENT POT CORE HALF, A THREADED SCREW MEMBER WITHIN SAID BORE HAVING A FLANGE ENGAGING SAID RETAINER PLATE FOR LIMITING RELATIVE INWARD MOVEMENT OF SAID ROD, SAID ROD ENGAGING AND STRESSING SAID SPRING WASHER AND SAID
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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) | 1967-12-22 | 1968-06-22 | 1968-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-22 | 1972-06-22 | 1972-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-22 | 1976-06-22 | 1976-12-22 | $7700.00 | Window Closed / Lapsed |