Patent US3142983A successfully refreshed from Google Patents.
US3142983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat transfer test device
Assignee: Melpar Inc
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Filing: 1960-08-29
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Granted: 1964-08-04
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Expires: 1980-08-29
Abstract
No abstract record available.
Inventors
- 👤 Hudson L Dudley
- 👤 Henry F Snelling
- 👤 Jr Alvin M Maher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:31
CPC Classifications
G; G01; G01N; G01N25/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
118 words
A HEATING TRANSFER TEST APPARATUS TO AID IN DETERMINING THE AMOUNT OF GAS FLOW AND THE TEMPERATURE OF SAID GAS NECESSARY TO COOL A DEVICE SUBJECTED IN OPERATION TO KNOWN HEATING ENVIRONMENTS COMPRISING A HEAT INSULATING HOUSING, SAID HOUSING INCLUDING INTERIORLY THEREOF A CHAMBER FOR ENCLOSING THE DEVICE, SAID CHAMBER HAVING AN EXTERIOR SURFACE, MEANS FOR HEATING ALL OF SAID SURFACE AND SUPPLYING SUFFICIENT HEAT TO THE INTERIOR OF SAID CHAMBER TO MAINTAIN A PREDETERMINED HEAT BALANCE WITHIN SAID CHAMBER, SAID HEAT BALANCE INSULATING THE INTERIOR OF SAID CHAMBER FROM THE EXTERIOR THEREOF, MEANS FOR SUPPLYING GAS HAVING A CONTROLLED TEMPERATURE AND FLOW RATE TO THE DEVICE IN THE CHAMBER, AND MEANS FOR MEASURING TEMPERATURE WITHIN THE CHAMBER.
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) | 1967-08-04 | 1968-02-03 | 1968-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-04 | 1972-02-03 | 1972-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-04 | 1976-02-03 | 1976-08-04 | $7700.00 | Window Closed / Lapsed |