Patent US3220840A successfully refreshed from Google Patents.
US3220840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inflatable photographic elements including an elastic silver halide emulsion, and process for making same
Assignee: Eastman Kodak Co
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Filing: 1960-07-01
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Granted: 1965-11-30
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Expires: 1980-07-01
Abstract
No abstract record available.
Inventors
- 👤 Edward C Yackel
- 👤 Benjamin E Luboshez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:56
CPC Classifications
A; A61; A61B; A61B1/00; A61B1/267; A61B1/00064; A61B1/00071; A61B1/0008; A61B1/00082; A61B1/04; G; G03; G03C; G03C1/00; G03C1/005; G03C1/04; G03C1/76; A61B1/06; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/106; Y10S430/136
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
AN INFLATABLE AND DEFLATABLE ELASTIC RADIATION-SENSITIVE ELEMENT COMPRISING A THIN WALLED ELASTIC BALLONG HAVING COATED THEREON AN ELASTIC RADIATION-SENSITIVE SILVER HALIDE EMULSION LAYER CONTAINING INTIMATELY ADMIXED THEREIN AN ELASTIC STYRENE-BUTADIENE COPOLYMER THAT IS SUBSTANTIALLY FREE OF PHOTOGRAPHICALLY ACTIVE SULFUR COMPOUNDS, SUCH THAT THE SAID ELASTIC BALLOON AND SAID ELASTIC EMULSION LAYER COOPERATE AS AN INTEGRAL UNIT THAT IS ADAPTED FOR REPEATED INFLATION TO ABOUT FIVE TIMES THE COATED DIMENSIONS OF SAID ELEMENT, AND SUBSTANTIALLY COMPLETE DEFLATION, AND IS ADAPTED TO BE TURNED INSIDE OUT DURING USE OF THE ELEMENT WITHOUT ANY SEPARATION OF THE SAID ELASTIC EMULSION COATING FROM THE SAID ELASTIC SUPPORT.
Claim 2
Dependent Claim
103 words
AN INFLATABLE AND DEFLATABLE ELASTIC RADIATION-SENSITIVE ELEMENT COMPRISING A THIN WALLED ELASTIC BALLONG HAVING COATED THEREON AN ELASTIC RADIATION-SENSITIVE SILVER HALIDE EMULSION LAYER CONTAINING INTIMATELY ADMIXED THEREIN AN ELASTIC STYRENE-BUTADIENE COPOLYMER THAT IS SUBSTANTIALLY FREE OF PHOTOGRAPHICALLY ACTIVE SULFUR COMPOUNDS, SUCH THAT THE SAID ELASTIC BALLOON AND SAID ELASTIC EMULSION LAYER COOPERATE AS AN INTEGRAL UNIT THAT IS ADAPTED FOR REPEATED INFLATION TO ABOUT FIVE TIMES THE COATED DIMENSIONS OF SAID ELEMENT, AND SUBSTANTIALLY COMPLETE DEFLATION, AND IS ADAPTED TO BE TURNED INSIDE OUT DURING USE OF THE ELEMENT WITHOUT ANY SEPARATION OF THE SAID ELASTIC EMULSION COATING FROM THE SAID ELASTIC SUPPORT.
References Cited (Backward Citations)
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Cited
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US2959483A
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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) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |