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US3472632A
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Internally lined reactor for high temperatures and pressures and leakage monitoring means therefor
Assignee: Universal Oil Products Co
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Filing: 1966-11-25
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Granted: 1969-10-14
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Expires: 1986-11-25
Abstract
No abstract record available.
Inventors
- 👤 George L Hervert
- 👤 Harold C Weber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:30
CPC Classifications
B; B01; B01J; B01J3/00; B01J3/04; B01J3/048; B01J3/002; B01J2219/00; B01J2219/00049; B01J2219/00245; B01J2219/00256; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49879
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2215532A
Cited
US2243240A
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US2329970A
Cited
US2772860A
Cited
US2970042A
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FR1205978A
Cited
US3231338A
Cited
US3140006A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |