US2948613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diazotype materials sensitized with n-hetero-p-aminobenzenediazonium salts
Assignee: GAF Chemicals Corp
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Filing: 1957-07-26
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Granted: 1960-08-09
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Expires: 1977-07-26
Abstract
No abstract record available.
Inventors
- 👤 Robert J Cox
- 👤 Ralph G D Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:35
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/52; G03C1/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
LIGHT-SENSITIVE DIAZOTYPE MATERIAL COMPRISING A BASE COATED WITH A COUPLING COMPONENT AND, AS THE LIGHT-SENSITIVE DIAZONIUM COMPOUND, A COMPOUND OF THE FOLLOWING FORMULA:
Claim 2
Dependent Claim
23 words
LIGHT-SENSITIVE DIAZOTYPE MATERIAL COMPRISING A BASE COATED WITH A COUPLING COMPONENT AND, AS THE LIGHT-SENSITIVE DIAZONIUM COMPOUND, A COMPOUND OF THE FOLLOWING FORMULA:
References Cited (Backward Citations)
US2298444A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |