US3404005A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diazo light-sensitive composition and element
Assignee: Industrial Dyestuff Co
•
Filing: 1963-10-01
•
Granted: 1968-10-01
•
Expires: 1983-10-01
Abstract
No abstract record available.
Inventors
- 👤 Paul L Tobey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:58
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/52; G03C1/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
LIGHT-SENSITIVE DIAZOTYPE COMPOSITION COMPRISING AS A COUPLER COMPONENT AS AMIDE OF THE FORMULA
Claim 2
Dependent Claim
13 words
LIGHT-SENSITIVE DIAZOTYPE COMPOSITION COMPRISING AS A COUPLER COMPONENT AS AMIDE OF THE FORMULA
References Cited (Backward Citations)
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Cited
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Cited
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US3139341A
Cited
US3255010A
Cited
US3207748A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-01 | 1972-04-01 | 1972-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-01 | 1976-04-01 | 1976-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-01 | 1980-04-01 | 1980-10-01 | $7700.00 | Window Closed / Lapsed |