Patent US2611930A successfully refreshed from Google Patents.
US2611930A
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Insulating electrical apparatus
Assignee: Westinghouse Electric Corp
•
Filing: 1948-08-06
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Granted: 1952-09-30
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Expires: 1968-08-06
Abstract
No abstract record available.
Inventors
- 👤 Lawrence R Hill
- 👤 John A Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:06
CPC Classifications
H; H02; H02K; H02K15/00; H02K15/12; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1333004A
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US1767586A
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US1888613A
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US2071907A
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US2104189A
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US2271468A
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US2414525A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-30 | 1956-03-31 | 1956-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-30 | 1960-03-31 | 1960-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-30 | 1964-03-31 | 1964-09-30 | $7700.00 | Window Closed / Lapsed |