US2715094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hermetically sealed transformers
Assignee: S K Transformer Co
•
Filing: 1952-10-31
•
Granted: 1955-08-09
•
Expires: 1972-10-31
Abstract
No abstract record available.
Inventors
- 👤 George J Szekely
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:08
CPC Classifications
H; H01; H01F; H01F41/00; H01F41/005; H01F27/00; H01F27/02; H01F27/022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
IN A METHOD FOR HERMETICALLY SEALING AN ELECTRICAL APPARATUS OF IRREGULAR SHAPE, THE STEPS OF SUPPORTING SAID APPARATUS ON A BASE PLATE CONTAINING ELECTRIC OUTLET TERMINALS, COATING THE UNIT WITH AN INSULATION CLOSELY FOLLOWING THE CONTOUR OF SAID SHAPE, AND COATING SAID INSULATION
Claim 2
Dependent Claim
43 words
IN A METHOD FOR HERMETICALLY SEALING AN ELECTRICAL APPARATUS OF IRREGULAR SHAPE, THE STEPS OF SUPPORTING SAID APPARATUS ON A BASE PLATE CONTAINING ELECTRIC OUTLET TERMINALS, COATING THE UNIT WITH AN INSULATION CLOSELY FOLLOWING THE CONTOUR OF SAID SHAPE, AND COATING SAID INSULATION
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Cited
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Cited
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Cited
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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) | 1958-08-08 | 1959-02-07 | 1959-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-08 | 1963-02-07 | 1963-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-08 | 1967-02-07 | 1967-08-09 | $7700.00 | Window Closed / Lapsed |