US3210996A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable temperature calorimeter
Assignee: ConocoPhillips Co
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Filing: 1963-02-14
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Granted: 1965-10-12
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Expires: 1983-02-14
Abstract
No abstract record available.
Inventors
- 👤 William H Harwood
- 👤 Tibor O Edmond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:37
CPC Classifications
G; G01; G01K; G01K1/00; G01K1/14; G01N; G01N25/00; G01N25/20; G01N25/48; G01N25/4846
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
186 words
A CALORIMETRIC HEAT MEASURING DEVICE FOR PERFORMING A HEAT TEST ON A FLUID SAMPLE, COMPRISING: AN OUTER SHELL HAVING AN APERTURE IN THE UPPER PORTION THEREOF; AN INNER SHELL HAVING AN APERTURE IN THE UPPER PORTION THEREOF COMMUNICATING WITH THE APERTURE IN SAID OUTER SHELL AND BEING SPACED INWARDLY FROM THE OUTER SHELL TO DEFINE A CHAMBER THEREBETWEEN; A MATERIAL WHICH PRECLUDES THE TRANSMISSION OF HEAT THERETHROUGH POSITIONED IN SAID CHAMBER; MEANS TO DETERMINE THE TEMPERATURE WITHIN THE INNER SHELL; A SECONDARY HEATER POSITIONED WITH THE INNER SHELL; MEANS TO CIRCULATE THE AIR WITHIN THE INNER SHELL; A CONTAINER RECEIVING THE SAMPLE, SAID CONTAINER PRECLUDING THE TRANSMISSION OF HEAT THERETHROUGH; A SECOND CONTAINER PRECLUDING THE TRANSMISSION OF HEAT THERETHROUGH, SAID SECOND CONTAINER ENCLOSING THE FIRST CONTAINER AND SPACED THEREFROM TO DEFINE A CAVITY THEREBETWEEN; THE INNER SHELL RECEIVING THE CONTAINERS THROUGH SAID APERTURE AND SUPPORTING SAID CONTAINERS THEREWITH; MEANS FOR STIRRING THE SAMPLE; MEANS FOR DETERMINGING THE TEMPERATURE OF THE SAMPLE; MEANS FOR ELEVATING THE TEMPERATURE OF THE SAMPLE; MEANS FOR DETERMING THE TEMPERATURE OF SAID CAVITY; AND MEANS TO ELEVATE THE TEMPERATURE OF SAID CAVITY.
Claim 2
Dependent Claim
186 words
A CALORIMETRIC HEAT MEASURING DEVICE FOR PERFORMING A HEAT TEST ON A FLUID SAMPLE, COMPRISING: AN OUTER SHELL HAVING AN APERTURE IN THE UPPER PORTION THEREOF; AN INNER SHELL HAVING AN APERTURE IN THE UPPER PORTION THEREOF COMMUNICATING WITH THE APERTURE IN SAID OUTER SHELL AND BEING SPACED INWARDLY FROM THE OUTER SHELL TO DEFINE A CHAMBER THEREBETWEEN; A MATERIAL WHICH PRECLUDES THE TRANSMISSION OF HEAT THERETHROUGH POSITIONED IN SAID CHAMBER; MEANS TO DETERMINE THE TEMPERATURE WITHIN THE INNER SHELL; A SECONDARY HEATER POSITIONED WITH THE INNER SHELL; MEANS TO CIRCULATE THE AIR WITHIN THE INNER SHELL; A CONTAINER RECEIVING THE SAMPLE, SAID CONTAINER PRECLUDING THE TRANSMISSION OF HEAT THERETHROUGH; A SECOND CONTAINER PRECLUDING THE TRANSMISSION OF HEAT THERETHROUGH, SAID SECOND CONTAINER ENCLOSING THE FIRST CONTAINER AND SPACED THEREFROM TO DEFINE A CAVITY THEREBETWEEN; THE INNER SHELL RECEIVING THE CONTAINERS THROUGH SAID APERTURE AND SUPPORTING SAID CONTAINERS THEREWITH; MEANS FOR STIRRING THE SAMPLE; MEANS FOR DETERMINGING THE TEMPERATURE OF THE SAMPLE; MEANS FOR ELEVATING THE TEMPERATURE OF THE SAMPLE; MEANS FOR DETERMING THE TEMPERATURE OF SAID CAVITY; AND MEANS TO ELEVATE THE TEMPERATURE OF SAID CAVITY.
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) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |