US3248219A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic element for dry processing
Assignee: Consolidated Electrodynamics Corp
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Filing: 1960-09-06
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Granted: 1966-04-26
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Expires: 1980-09-06
Abstract
No abstract record available.
Inventors
- 👤 John H Jacobs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:11
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
A PHOTOGRAPHIC RECORDING MEDIUM COMPRISING: A SUPPORT, A SILVER HALIDE PHOTOSENSITIVE MATERIAL, A DRY DEVELOPING AGENT FOR THE PHOTOSENSITIVE MATERIAL, THE DEVELOPING AGENT BEING IN DIRECT CONTACT WITH THE PHOTOSENSITIVE MATERIAL AND REQUIRING THE PRESENCE OF WATER TO BECOME ACTIVE, THE PHOTOSENSITIVE MATERIAL AND DEVELOPING AGENT BEING DISTENDED ON THE SUPPORT, FIRST WATER-RELEASING AGENT WHICH RELEASES WATER ON THE APPLICATION OF HEAT ASSOCIATED WITH THE DEVELOPING AGENT, A LAYER OF A DRY STABILIZING AGENT WHICH BECOMES ACTIVE IN THE PRESENCE OF WATER TO INTERRUPT THE DEVELOPMENT OF THE PHOTOSENSITIVE MATERIAL AND MAKE IT INSENSITIVE TO LIGHT, THE LAYER OF STABILIZING AGENT BEING SUPERIMPOSED ON THE PHOTOSENSITIVE MATERIAL AND DEVELOPING AGENT AND BEING SPACED FARTHER FROM THE PHOTOSENSITIVE MATERIAL THAN IS THE DEVELOPING AGENT, AND A SECOND WATER RELEASING AGENT WHICH RELEASES WATER ON THE APPLICATION OF HEAT ASSOCIATED WITH THE STABILIZING AGENT, THE SECOND WATER RELEASING AGENT REQUIRING A HIGHER TEMPERATURE THAN THE FIRST WATER RELEASING AGENT TO RELEASE WATER.
Claim 2
Dependent Claim
160 words
A PHOTOGRAPHIC RECORDING MEDIUM COMPRISING: A SUPPORT, A SILVER HALIDE PHOTOSENSITIVE MATERIAL, A DRY DEVELOPING AGENT FOR THE PHOTOSENSITIVE MATERIAL, THE DEVELOPING AGENT BEING IN DIRECT CONTACT WITH THE PHOTOSENSITIVE MATERIAL AND REQUIRING THE PRESENCE OF WATER TO BECOME ACTIVE, THE PHOTOSENSITIVE MATERIAL AND DEVELOPING AGENT BEING DISTENDED ON THE SUPPORT, FIRST WATER-RELEASING AGENT WHICH RELEASES WATER ON THE APPLICATION OF HEAT ASSOCIATED WITH THE DEVELOPING AGENT, A LAYER OF A DRY STABILIZING AGENT WHICH BECOMES ACTIVE IN THE PRESENCE OF WATER TO INTERRUPT THE DEVELOPMENT OF THE PHOTOSENSITIVE MATERIAL AND MAKE IT INSENSITIVE TO LIGHT, THE LAYER OF STABILIZING AGENT BEING SUPERIMPOSED ON THE PHOTOSENSITIVE MATERIAL AND DEVELOPING AGENT AND BEING SPACED FARTHER FROM THE PHOTOSENSITIVE MATERIAL THAN IS THE DEVELOPING AGENT, AND A SECOND WATER RELEASING AGENT WHICH RELEASES WATER ON THE APPLICATION OF HEAT ASSOCIATED WITH THE STABILIZING AGENT, THE SECOND WATER RELEASING AGENT REQUIRING A HIGHER TEMPERATURE THAN THE FIRST WATER RELEASING AGENT TO RELEASE WATER.
References Cited (Backward Citations)
US2209087A
Cited
US2843485A
Cited
DE1003578B
Cited
US2704721A
Cited
US2819166A
Cited
US2971840A
Cited
US3080230A
Cited
DE1080854B
Cited
US3042514A
Cited
US3041170A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |