Patent US2887062A successfully refreshed from Google Patents.
US2887062A
Expired / Lapsed
US
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Motor pump unit
Assignee: Westinghouse Electric Corp
•
Filing: 1954-07-01
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Granted: 1959-05-19
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Expires: 1974-07-01
Abstract
No abstract record available.
Inventors
- 👤 Cametti Benjamin
- 👤 William M Wepfer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:29
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/04; F04D29/046; F04D29/047; F04D13/00; F04D13/02; F04D13/06; F04D13/0606; F04D13/08; F04D29/0465; F04D29/08; F04D29/16; F04D29/165; F04D29/58; F04D29/5806; F04D29/586; F04D7/00; F04D7/02; F04D7/06; H; H02; H02K; H02K5/00; H02K5/04; H02K5/12; H02K5/128
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA488444A
Cited
US2734459A
Cited
US2257065A
Cited
US2297828A
Cited
US2301063A
Cited
US2460418A
Cited
US2463936A
Cited
US2468187A
Cited
US2687695A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |