US3283243A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for indicating the thermal e. m. f. and a.c. conductivity of a catalyst
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1962-10-22
•
Granted: 1966-11-01
•
Expires: 1982-10-22
Abstract
No abstract record available.
Inventors
- 👤 James T Richardson
- 👤 Stanford S Toups
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:22
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/02; G01N27/04; G01N27/041; G01N27/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
AN APPARATUS FOR INDICATING AN ELECTRICAL PROPERTY OF A CATALYST COMPRISING: A CYLINDRICAL SUPPORT MADE OF NONCONDUCTING MATERIAL AND HAVING A COAXIAL BORE EXTENDING FROM THE TOP THEREOF TO A POINT ABOVE THE BOTTOM THEREOF; A THERMOCOUPLE MOUNTED IN SAID CYLINDRICAL SUPPORT AND EXTENDING FROM A SIDE OF SAID CYLINDRICAL SUPPORT TO A POINT BELOW THE BOTTOM OF SAID BORE IN SAID CYLINDRICAL SUPPORT; AN UPPER PLATE ELECTRODE MOUNTED ON THE BOTTOM OF THE CYLINDRICAL SUPPORT; A LOWER SUPPORT MEMBER; A LOWER PLATE ELECTRODE MOUNTED IN THE LOWER SUPPORT MEMBER; A THERMOCOUPLE MOUNTED ON SAID LOWER SUPPORT MEMBER AND EXTENDING FROM A SIDE OF SAID LOWER SUPPORT MEMBER TO APPROXIMATELY THE CENTER OF THE LOWER SUP-
Claim 2
Independent Claim
116 words
AN APPARATUS FOR INDICATING AN ELECTRICAL PROPERTY OF A CATALYST COMPRISING: A CYLINDRICAL SUPPORT MADE OF NONCONDUCTING MATERIAL AND HAVING A COAXIAL BORE EXTENDING FROM THE TOP THEREOF TO A POINT ABOVE THE BOTTOM THEREOF; A THERMOCOUPLE MOUNTED IN SAID CYLINDRICAL SUPPORT AND EXTENDING FROM A SIDE OF SAID CYLINDRICAL SUPPORT TO A POINT BELOW THE BOTTOM OF SAID BORE IN SAID CYLINDRICAL SUPPORT; AN UPPER PLATE ELECTRODE MOUNTED ON THE BOTTOM OF THE CYLINDRICAL SUPPORT; A LOWER SUPPORT MEMBER; A LOWER PLATE ELECTRODE MOUNTED IN THE LOWER SUPPORT MEMBER; A THERMOCOUPLE MOUNTED ON SAID LOWER SUPPORT MEMBER AND EXTENDING FROM A SIDE OF SAID LOWER SUPPORT MEMBER TO APPROXIMATELY THE CENTER OF THE LOWER SUP-
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) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |