US3147366A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature controlled photographic processor
Assignee: Individual
•
Filing: 1962-02-05
•
Granted: 1964-09-01
•
Expires: 1982-02-05
Abstract
No abstract record available.
Inventors
- 👤 Alex W Dreyfoos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:28
CPC Classifications
H; H05; H05B; H05B1/00; H05B1/02; H05B1/0227; H05B1/023; H05B1/0247; G; G03; G03D; G03D13/00; G03D13/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A PHOTOGRAPHIC PROCESSOR COMPRISING A VISIBLE-LIGHTTIGHT PROCESSING SOLUTION CONTAINER HAVING AT LEAST A PORTION THEREOF TRANSPARENT TO INFRA-RED RADIATION, MEANS FOR HEATING THE SOLUTION TO AND RETAINING IT AT A SELECTED ELEVATED TEMPERATURE COMPRISING, AN INFRA-RED HEAT SOURCE POSITIONED EXTERIORLY OF AND ADJACENT SAID TRANSPARENT PORTION FOR HEATING THE INTERIOR OF SAID CONTAINER, AND THERMOSTATIC MEANS POSITIONED IN HEAT EXCHANGE RELATIONSHIP TO THE CONTAINER AND WITHIN THE PATH OF RADIATIONS FROM SAID INFRA-RED HEAT SOURCE FOR CONTROLLING SAID HEAT SOURCE IN RESPONSE TO TEMPERATURE VARIATIONS WITHIN SAID CONTAINER.
Claim 2
Dependent Claim
88 words
A PHOTOGRAPHIC PROCESSOR COMPRISING A VISIBLE-LIGHTTIGHT PROCESSING SOLUTION CONTAINER HAVING AT LEAST A PORTION THEREOF TRANSPARENT TO INFRA-RED RADIATION, MEANS FOR HEATING THE SOLUTION TO AND RETAINING IT AT A SELECTED ELEVATED TEMPERATURE COMPRISING, AN INFRA-RED HEAT SOURCE POSITIONED EXTERIORLY OF AND ADJACENT SAID TRANSPARENT PORTION FOR HEATING THE INTERIOR OF SAID CONTAINER, AND THERMOSTATIC MEANS POSITIONED IN HEAT EXCHANGE RELATIONSHIP TO THE CONTAINER AND WITHIN THE PATH OF RADIATIONS FROM SAID INFRA-RED HEAT SOURCE FOR CONTROLLING SAID HEAT SOURCE IN RESPONSE TO TEMPERATURE VARIATIONS WITHIN SAID CONTAINER.
References Cited (Backward Citations)
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Cited
US2177101A
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US2666979A
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US2823902A
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US2785623A
Cited
US2954826A
Cited
US3067667A
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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) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |