Patent US3038490A successfully refreshed from Google Patents.
US3038490A
Expired / Lapsed
US
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Piercing valve
Assignee: Superior Valve and Fittings Co
•
Filing: 1961-02-21
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Granted: 1962-06-12
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Expires: 1981-02-21
Abstract
No abstract record available.
Inventors
- 👤 William C Yocum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:14
CPC Classifications
F; F25; F25B; F25B45/00; F16; F16L; F16L41/00; F16L41/04; F16L41/06; F16L41/065; F25B2345/00; F25B2345/006; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/612; Y10T137/6123
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-11 | 1965-12-11 | 1966-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-11 | 1969-12-11 | 1970-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-11 | 1973-12-11 | 1974-06-12 | $7700.00 | Window Closed / Lapsed |