US3155157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tempreature stabilized chamber utilizing thermoelectric cooling
Assignee: Collins Radio Co
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Filing: 1962-08-09
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Granted: 1964-11-03
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Expires: 1982-08-09
Abstract
No abstract record available.
Inventors
- 👤 Albert E Anderson
- 👤 William R Stubstad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:17
CPC Classifications
F; F25; F25B; F25B21/00; F25B21/02; G; G05; G05D; G05D23/00; G05D23/19; G05D23/1906; G05D23/20; G05D23/24; F25B2321/00; F25B2321/02; F25B2321/021; F25B2321/0212
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A COMPACT MULTICHAMBER DEVICE HAVING AN AUTOMATIC TEMPERATURE CONTROL, SAID DEVICE COMPRISING: FIRST WALL MEANS DEFINING A FIRST ENCLOSED CHAMBER; MEANS INCLUDING A SENSING AND HEATING COIL CONTIGUOUS TO SAID FIRST WALL MEANS TO SENSE TEMPERATURE DEVIATIONS FROM A PRESELECTED TEMPERATURE VALUE WITHIN SAID FIRST CHAMBER AND RESPONSIVE THERETO HEATING SAID FIRST CHAMBER; SECOND WALL MEANS SURROUNDING SAID FIRST CHAMBER AND DEFINING A SECOND ENCLOSED CHAMBER; AND MEANS INCLUDING A THERMOELECTRIC COOLING DEVICE CONTIGUOUS TO SAID SECOND WALL MEANS FOR COOLING SAID SECOND CHAMBER TO A TEMPERATURE AT LEAST AS LOW AS, SAID PRESELECTED TEMPERATURE WHEREBY THE TEMPERATURE WITHIN SAID FIRST ENCLOSED CHAMBER IS MAINTAINED CONSTANT EVEN THOUGH ENVIRONMENTAL TEMPERATURES OUTSIDE SAID SECOND ENCLOSED CHAMBER ARE HIGHER THAN SAID PRESELECTED TEMPERATURE VALUE.
Claim 2
Dependent Claim
122 words
A COMPACT MULTICHAMBER DEVICE HAVING AN AUTOMATIC TEMPERATURE CONTROL, SAID DEVICE COMPRISING: FIRST WALL MEANS DEFINING A FIRST ENCLOSED CHAMBER; MEANS INCLUDING A SENSING AND HEATING COIL CONTIGUOUS TO SAID FIRST WALL MEANS TO SENSE TEMPERATURE DEVIATIONS FROM A PRESELECTED TEMPERATURE VALUE WITHIN SAID FIRST CHAMBER AND RESPONSIVE THERETO HEATING SAID FIRST CHAMBER; SECOND WALL MEANS SURROUNDING SAID FIRST CHAMBER AND DEFINING A SECOND ENCLOSED CHAMBER; AND MEANS INCLUDING A THERMOELECTRIC COOLING DEVICE CONTIGUOUS TO SAID SECOND WALL MEANS FOR COOLING SAID SECOND CHAMBER TO A TEMPERATURE AT LEAST AS LOW AS, SAID PRESELECTED TEMPERATURE WHEREBY THE TEMPERATURE WITHIN SAID FIRST ENCLOSED CHAMBER IS MAINTAINED CONSTANT EVEN THOUGH ENVIRONMENTAL TEMPERATURES OUTSIDE SAID SECOND ENCLOSED CHAMBER ARE HIGHER THAN SAID PRESELECTED TEMPERATURE VALUE.
References Cited (Backward Citations)
GB144669A
Cited
US1940599A
Cited
US1967185A
Cited
US2952786A
Cited
US2955185A
Cited
US2998707A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-03 | 1968-05-04 | 1968-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-03 | 1972-05-04 | 1972-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-03 | 1976-05-04 | 1976-11-03 | $7700.00 | Window Closed / Lapsed |