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US3125448A Expired / Lapsed US ⏱️ 0.0 years remaining

J-ethyl-z

Assignee: —
•
Filing: —
•
Granted: 1964-03-17
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Expires: 1981-03-17
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Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 12:07
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/825; G03C1/83; G03C1/832

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 30 words
A PHOTOGRAPHIC ELEMENT COMPRISING A SUPPORT HAVING THEREON AT LEAST ONE SENSITIVE SILVER HALIDE EMULSION LAYER, AT LEAST ONE LAYER OF SAID PHOTOGRAPHIC ELEMENT CONTAINING A DYE HAVING THE FORMULA:
Claim 2
Dependent Claim 30 words
A PHOTOGRAPHIC ELEMENT COMPRISING A SUPPORT HAVING THEREON AT LEAST ONE SENSITIVE SILVER HALIDE EMULSION LAYER, AT LEAST ONE LAYER OF SAID PHOTOGRAPHIC ELEMENT CONTAINING A DYE HAVING THE FORMULA:

References Cited (Backward Citations)

US2395879A Cited
US2231659A Cited
US2471996A Cited
US2647050A Cited
US2704714A Cited
US2870014A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-03-17 1967-09-16 1968-03-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-03-17 1971-09-16 1972-03-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-03-17 1975-09-16 1976-03-17 $7700.00 Window Closed / Lapsed

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