Patent US3130335A successfully refreshed from Google Patents.
US3130335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dynamo-electric machine
Assignee: Epoxylite Corp
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Filing: 1961-04-17
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Granted: 1964-04-21
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Expires: 1981-04-17
Abstract
No abstract record available.
Inventors
- 👤 Ladislav J Rejda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:47
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/32; H02K3/34; H02K3/345; Y; Y10; Y10S; Y10S174/00; Y10S174/13; Y10S174/14; Y10S174/19; Y10S174/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
AN INSULATING LINER FOR AN ELECTRIC MOTOR CORE WINDING SLOT, SAID LINER COMPRISING A NONMAGNETIC METALLIC FOIL TUBE DISPOSED WITHIN AND COAXIAL WITH SAID SLOT, SAID TUBE BEING FORMED BY A SHEET OF FOIL WITH THE LONGITUDINAL EDGES ENGAGING EACH OTHER TO FORM SAID TUBE, BONDING MEANS SEALING TOGETHER THE ENTIRE LENGTH OF SAID ENGAGING EDGES TO PROVIDE A SUBSTANTIALLY MOISTURE-PROOF WALL WHICH COMPLETELY SURROUNDS THE MOTOT WINDING IN THE SLOT, AND MEANS BETWEEN SAID TUBE AND SAID WINDING ELECTRICALLY INSULATING SAID WINDINGS FROM SAIL METALLIC FOIL.
Claim 2
Dependent Claim
87 words
AN INSULATING LINER FOR AN ELECTRIC MOTOR CORE WINDING SLOT, SAID LINER COMPRISING A NONMAGNETIC METALLIC FOIL TUBE DISPOSED WITHIN AND COAXIAL WITH SAID SLOT, SAID TUBE BEING FORMED BY A SHEET OF FOIL WITH THE LONGITUDINAL EDGES ENGAGING EACH OTHER TO FORM SAID TUBE, BONDING MEANS SEALING TOGETHER THE ENTIRE LENGTH OF SAID ENGAGING EDGES TO PROVIDE A SUBSTANTIALLY MOISTURE-PROOF WALL WHICH COMPLETELY SURROUNDS THE MOTOT WINDING IN THE SLOT, AND MEANS BETWEEN SAID TUBE AND SAID WINDING ELECTRICALLY INSULATING SAID WINDINGS FROM SAIL METALLIC FOIL.
References Cited (Backward Citations)
US2495010A
Cited
FR1243701A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |