US2783171A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulating method and apparatus
Assignee: Motors Liquidation Co
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Filing: 1955-10-12
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Granted: 1957-02-26
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Expires: 1975-10-12
Abstract
No abstract record available.
Inventors
- 👤 Elmer E Thiessen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:15
CPC Classifications
H; H02; H02K; H02K15/00; H02K15/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
APPARATUS FOR SIMULTANEOUSLY HEATING AND PRESSING AN INSULATING JACKET ON AN ELECTRICAL COIL SAID APPARATUS COMPRISING A FIXTURE DEFINING A CLOSED CHAMBER, AN ELASTIC BLADDER ADAPTED TO ENCLOSE THE INSULATED ELECTRICAL COIL AND DISPOSED WITHIN THE CHAMBER, ELECTRICAL CONDUCTORS EXTENDING FROM THE EXTERIOR OF THE CHAMBER TO THE INTERIOR OF THE BLADDER ADAPTED TO CONDUCT CURRENT THROUGH THE COIL TO PROVIDE ELECTRICAL RESISTANCE HEATING THEREOF, A VENTING CONDUIT EXTENDING FROM THE INTERIOR OF THE BLADDER TO
Claim 2
Dependent Claim
76 words
APPARATUS FOR SIMULTANEOUSLY HEATING AND PRESSING AN INSULATING JACKET ON AN ELECTRICAL COIL SAID APPARATUS COMPRISING A FIXTURE DEFINING A CLOSED CHAMBER, AN ELASTIC BLADDER ADAPTED TO ENCLOSE THE INSULATED ELECTRICAL COIL AND DISPOSED WITHIN THE CHAMBER, ELECTRICAL CONDUCTORS EXTENDING FROM THE EXTERIOR OF THE CHAMBER TO THE INTERIOR OF THE BLADDER ADAPTED TO CONDUCT CURRENT THROUGH THE COIL TO PROVIDE ELECTRICAL RESISTANCE HEATING THEREOF, A VENTING CONDUIT EXTENDING FROM THE INTERIOR OF THE BLADDER TO
References Cited (Backward Citations)
US2292103A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-26 | 1960-08-27 | 1961-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-26 | 1964-08-27 | 1965-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-26 | 1968-08-27 | 1969-02-26 | $7700.00 | Window Closed / Lapsed |