US3450056A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Canned motor pump
Assignee: Westinghouse Electric Corp
•
Filing: 1967-07-18
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Granted: 1969-06-17
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Expires: 1987-07-18
Abstract
No abstract record available.
Inventors
- 👤 Thomas J Heathcote
- 👤 Michael Stark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:07
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/58; F04D29/586; F04D29/588; F04D13/00; F04D13/02; F04D13/06; F04D13/0606; F04D13/0613; F04D29/5866
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-16 | 1972-12-16 | 1973-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-16 | 1976-12-16 | 1977-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-16 | 1980-12-16 | 1981-06-17 | $7700.00 | Window Closed / Lapsed |