US2695219A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detection of corrosion and damage to apparatus
Assignee: Phillips Petroleum Co
•
Filing: 1949-01-04
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Granted: 1954-11-23
•
Expires: 1969-01-04
Abstract
No abstract record available.
Inventors
- 👤 John D Upham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:34
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/1809; B01J8/24; B01J8/26; B01J2208/00; B01J2208/00008; B01J2208/00017; B01J2208/00026; B01J2208/00035; B01J2208/00044; B01J2208/00327; B01J2208/00477; B01J2208/00495
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
IN COMBI ATION, A REACTOR HAVING AN EXTERIOR LINER PORTION OF HEAT-RESISTANT MATERIAL, AN INNER LINER PORTION OF HEAT RESISTANT MATERIAL SECURED TO SAID EXTERIOR PORTION AND EXPOSED TO CONDITIONS WITHIN SAID REACTOR, A FIRST TEMPERATURE SENSITIVE DEVICE LOCATED WITHIN SAID OUTER LINER ADJACENT THE SURFACE OF SAID INNER LINER, A SECOND TEMPERATURE SENSITIVE DIVICE EXTENDING THROUGH BOTH LINERS INTO THE REACTION ZONE AND MEASURING THE TEMPERATURE WITHIN SAID REFRACTION ZONE, AND AN INDICATOR RESPONSIVE TO SAID TEMPERATURE SENSITIVE DEVICES.
Claim 2
Dependent Claim
80 words
IN COMBI ATION, A REACTOR HAVING AN EXTERIOR LINER PORTION OF HEAT-RESISTANT MATERIAL, AN INNER LINER PORTION OF HEAT RESISTANT MATERIAL SECURED TO SAID EXTERIOR PORTION AND EXPOSED TO CONDITIONS WITHIN SAID REACTOR, A FIRST TEMPERATURE SENSITIVE DEVICE LOCATED WITHIN SAID OUTER LINER ADJACENT THE SURFACE OF SAID INNER LINER, A SECOND TEMPERATURE SENSITIVE DIVICE EXTENDING THROUGH BOTH LINERS INTO THE REACTION ZONE AND MEASURING THE TEMPERATURE WITHIN SAID REFRACTION ZONE, AND AN INDICATOR RESPONSIVE TO SAID TEMPERATURE SENSITIVE DEVICES.
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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) | 1957-11-22 | 1958-05-24 | 1958-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-22 | 1962-05-24 | 1962-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-22 | 1966-05-24 | 1966-11-23 | $7700.00 | Window Closed / Lapsed |