US2939209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reconditioning of electric apparatus
Assignee: Horizons Inc
•
Filing: 1958-05-01
•
Granted: 1960-06-07
•
Expires: 1978-05-01
Abstract
No abstract record available.
Inventors
- 👤 Harvey J Schwartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:19
CPC Classifications
H; H02; H02K; H02K15/00; H02K15/50; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/49012; Y10T29/49718; Y10T29/49721; Y10T29/49723; Y10T29/49751; Y10T29/49755; Y10T29/49757
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A PROCESS FOR RECONDITIONING BURNED-OUT ELECTRIC APPARATUS WHICH COMPRISES: PREPARING A MOLTEN BATH CONSISTING ESSENTIALLY OF SODIUM NITRITE, IMMERSING THE ELECTRIC APPARATUS THEREIN FOR ABOUT ONE HALF HOUR WHILE MAINTAINING THE BATH TEMPERATURE BETWEEN ABOUT 600* F. AND 800*F., THEREBY EFFECTING REMOVAL OF INSULATION FROM THE COILS IN SAID APPARATUS, AND SEPARATING THE BARE COILS FROM THE REMAINDER OF THE APPARATUS.
Claim 2
Dependent Claim
61 words
A PROCESS FOR RECONDITIONING BURNED-OUT ELECTRIC APPARATUS WHICH COMPRISES: PREPARING A MOLTEN BATH CONSISTING ESSENTIALLY OF SODIUM NITRITE, IMMERSING THE ELECTRIC APPARATUS THEREIN FOR ABOUT ONE HALF HOUR WHILE MAINTAINING THE BATH TEMPERATURE BETWEEN ABOUT 600* F. AND 800*F., THEREBY EFFECTING REMOVAL OF INSULATION FROM THE COILS IN SAID APPARATUS, AND SEPARATING THE BARE COILS FROM THE REMAINDER OF THE APPARATUS.
References Cited (Backward Citations)
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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) | 1963-06-07 | 1963-12-07 | 1964-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-07 | 1967-12-07 | 1968-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-07 | 1971-12-07 | 1972-06-07 | $7700.00 | Window Closed / Lapsed |