Patent US3143940A successfully refreshed from Google Patents.
US3143940A
Expired / Lapsed
US
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Recorder
Assignee: Consolidated Electrodynamics Corp
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Filing: 1960-11-15
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Granted: 1964-08-11
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Expires: 1980-11-15
Abstract
No abstract record available.
Inventors
- 👤 Richard P Brown
- 👤 John H Jacobs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:20
CPC Classifications
G; G01; G01D; G01D15/00; G01D15/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A DEVICE FOR RAPIDLY LATENSIFYING IMAGES WHICH HAVE BEEN RECORDED ON PRINTOUT MATERIAL, COMPRISING A SOURCE OF HEAT, MEANS FOR APPLYING HEAT FROM SAID HEAT SOURCE TO THE PRINTOUT MATERIAL SO AS TO HEAT THE PRINTOUT MATERIAL TO A TEMPERATURE WHICH SUBSTANTIALLY INACTIVATES ITS ORIGINAL RECORDING SENSITIVITY WITHOUT FOGGING THE PRINTOUT MATERIAL, A SOURCE OF LATENSIFYING ELECTROMAGNETIC RADIATIONS HAVING WAVE LENGTHS WITHIN THE RANGE OF FROM ABOUT 2500 ANGSTROM UNITS TO THAT WAVE LENGTH AT WHICH THE HERSCHEL EFFECT BECOMES SIGNIFICANT FOR THE PRINTOUT MATERIAL AND MEANS FOR EXPOSING THE PRINTOUT MATERIAL TO THE LATENSIFYING RADIATIONS WHILE THE ORIGINAL RECORDING SENSITIVITY OF THE PRINTOUT MATERIAL IS SUBSTANTIALLY INACTIVE.
Claim 2
Independent Claim
108 words
A DEVICE FOR RAPIDLY LATENSIFYING IMAGES WHICH HAVE BEEN RECORDED ON PRINTOUT MATERIAL, COMPRISING A SOURCE OF HEAT, MEANS FOR APPLYING HEAT FROM SAID HEAT SOURCE TO THE PRINTOUT MATERIAL SO AS TO HEAT THE PRINTOUT MATERIAL TO A TEMPERATURE WHICH SUBSTANTIALLY INACTIVATES ITS ORIGINAL RECORDING SENSITIVITY WITHOUT FOGGING THE PRINTOUT MATERIAL, A SOURCE OF LATENSIFYING ELECTROMAGNETIC RADIATIONS HAVING WAVE LENGTHS WITHIN THE RANGE OF FROM ABOUT 2500 ANGSTROM UNITS TO THAT WAVE LENGTH AT WHICH THE HERSCHEL EFFECT BECOMES SIGNIFICANT FOR THE PRINTOUT MATERIAL AND MEANS FOR EXPOSING THE PRINTOUT MATERIAL TO THE LATENSIFYING RADIATIONS WHILE THE ORIGINAL RECORDING SENSITIVITY OF THE PRINTOUT MATERIAL IS SUBSTANTIALLY INACTIVE.
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) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |