Patent US3061597A successfully refreshed from Google Patents.
Patent US3450160A successfully refreshed from Google Patents.
US3450160A
Expired / Lapsed
US
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Electrically operated valve
Assignee: Vickers Inc
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Filing: 1967-04-14
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Granted: 1969-06-17
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Expires: 1987-04-14
Abstract
No abstract record available.
Inventors
- 👤 Gerald Francis Tess
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:25
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/06; F15B13/08; F15B13/0803; F15B13/0832; F15B13/0839; F15B13/04; F15B13/042; F15B13/043; F15B13/0431; F15B13/0807; F15B13/0817; F15B13/0846; F15B13/0857; F15B13/0875; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86582; Y10T137/86614
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 |