US3013500A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealed dynamoelectric machine
Assignee: Westinghouse Electric Corp
•
Filing: 1958-07-10
•
Granted: 1961-12-19
•
Expires: 1978-07-10
Abstract
No abstract record available.
Inventors
- 👤 George E Bollibon
- 👤 Edward A Macha
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:23
CPC Classifications
F; F04; F04D; F04D13/00; F04D13/02; F04D13/06; F04D13/0606; F04D13/0613; F04D29/00; F04D29/58; F04D29/5806; F04D29/586; F04D29/588; H; H02; H02K; H02K5/00; H02K5/04; H02K5/12; H02K5/128
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2871791A
Cited
US2460418A
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US2698911A
Cited
US2737120A
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US2768584A
Cited
US2763214A
Cited
US2875694A
Cited
US2906208A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-18 | 1965-06-19 | 1965-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-18 | 1969-06-19 | 1969-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-18 | 1973-06-19 | 1973-12-19 | $7700.00 | Window Closed / Lapsed |