US3220843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sound recording motion picture film with anti-halation layer thereon
Assignee: Eastman Kodak Co
•
Filing: 1963-02-11
•
Granted: 1965-11-30
•
Expires: 1983-02-11
Abstract
No abstract record available.
Inventors
- 👤 Robert C Lovick
- 👤 John R Peer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:33
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/62; G11B5/633; G03; G03C; G03C1/00; G03C1/76; G03C1/825
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
65 words
A PHOTOGRAPHIC ELEMENT COMPRISING A CELLULOSE ESTER FILM SUPPORT, AN ANTIHALATION LAYER COATED ON ONE SURFACE OF THE SUPPORT AND REMOVABLE THEREFROM BY TREATMENT WITH ALKALINE PHOTOGRAPHIC DEVELOPING SOLUTION, AND A MAGNETIC STRIPE CONTAINING FERRO-MAGNETIC PARTICLES DISPERSED IN A BINDER INSOLUBLE IN SAID ALKALINE SOLUTION, COMPOSITE AND ADMIXED WITH THE COMPONENTS OF SAID ANTIHALATION LAYER AND ADHERED FIRMLY TO THE SURFACE OF THE FILM SUPPORT.
Claim 2
Dependent Claim
65 words
A PHOTOGRAPHIC ELEMENT COMPRISING A CELLULOSE ESTER FILM SUPPORT, AN ANTIHALATION LAYER COATED ON ONE SURFACE OF THE SUPPORT AND REMOVABLE THEREFROM BY TREATMENT WITH ALKALINE PHOTOGRAPHIC DEVELOPING SOLUTION, AND A MAGNETIC STRIPE CONTAINING FERRO-MAGNETIC PARTICLES DISPERSED IN A BINDER INSOLUBLE IN SAID ALKALINE SOLUTION, COMPOSITE AND ADMIXED WITH THE COMPONENTS OF SAID ANTIHALATION LAYER AND ADHERED FIRMLY TO THE SURFACE OF THE FILM SUPPORT.
Claim 3
Dependent Claim
102 words
A PROCESS FOR APPLYING A MAGENTIC STRIP TO A PHOTOGRAPHIC ELEMENT INCLUDING A CELLULOSE ESTER FILM SUPPORT HAVING A POLYMERIC ANTIHALATION LAYER COATED ON ONE SURFACE OF THE SUPPORT AND REMOVABLE THEREFROM BY TREATMENT WITH ALKALINE PHOTOGRAPHIC DEVELOPING SOLUTION, WHICH COMPRISES COATING A STRIPE ON SAID ANTIHALATION LAYER FROM AN ORGANIC SOLVENT SOLUTION CONTAINING A FILM-FORMING POLYMERIC BINDER INSOLUBLE IN SAID ALKALINE SOLUTION, FERROMANGETIC PARTICLES AND A LOWER N,N-DIALKYLAMIDE OF AN ALIPHATIC ACID, THEREBY FORMING A MAGNETIC STRIPE CONTAINING SAID BINDER AND PARTICLES COMPOSITE WITH THE ANTIHALATION LAYER, FIRMLY ADHERED TO THE SUPPORT AND IRREMOVABLE THEREFROM BY TREATMENT WITH SAID ALKALINE SOLUTION.
Claim 4
Dependent Claim
102 words
A PROCESS FOR APPLYING A MAGENTIC STRIP TO A PHOTOGRAPHIC ELEMENT INCLUDING A CELLULOSE ESTER FILM SUPPORT HAVING A POLYMERIC ANTIHALATION LAYER COATED ON ONE SURFACE OF THE SUPPORT AND REMOVABLE THEREFROM BY TREATMENT WITH ALKALINE PHOTOGRAPHIC DEVELOPING SOLUTION, WHICH COMPRISES COATING A STRIPE ON SAID ANTIHALATION LAYER FROM AN ORGANIC SOLVENT SOLUTION CONTAINING A FILM-FORMING POLYMERIC BINDER INSOLUBLE IN SAID ALKALINE SOLUTION, FERROMANGETIC PARTICLES AND A LOWER N,N-DIALKYLAMIDE OF AN ALIPHATIC ACID, THEREBY FORMING A MAGNETIC STRIPE CONTAINING SAID BINDER AND PARTICLES COMPOSITE WITH THE ANTIHALATION LAYER, FIRMLY ADHERED TO THE SUPPORT AND IRREMOVABLE THEREFROM BY TREATMENT WITH SAID ALKALINE SOLUTION.
References Cited (Backward Citations)
US1717815A
Cited
US1835536A
Cited
US1849232A
Cited
US2541136A
Cited
US2564312A
Cited
GB705727A
Cited
US2879176A
Cited
US3003965A
Cited
US2762776A
Cited
US3034946A
Cited
US3042639A
Cited
US3042618A
Cited
US3099584A
Cited
US3050758A
Cited
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 |