US3007578A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid drain leg for reactor vessel
Assignee: Phillips Petroleum Co
•
Filing: 1957-08-26
•
Granted: 1961-11-07
•
Expires: 1977-08-26
Abstract
No abstract record available.
Inventors
- 👤 William J Wride
- 👤 John J Moon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:59
CPC Classifications
B; B01; B01J; B01J4/00; B01J4/001; B01J4/002; Y; Y10; Y10S; Y10S159/00; Y10S159/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2764620A
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US2793199A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-06 | 1965-05-08 | 1965-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-06 | 1969-05-08 | 1969-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-06 | 1973-05-08 | 1973-11-07 | $7700.00 | Window Closed / Lapsed |