US3375113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sensitizing planographic plates for photo-lithography
Assignee: Kimberly Clark Tissue Co
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Filing: 1962-09-21
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Granted: 1968-03-26
•
Expires: 1982-09-21
Abstract
No abstract record available.
Inventors
- 👤 Doggett Towers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:23
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/016; G03F7/0166
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
A PRESENSITIZED PRINTING PLATE COMPRISING A BASE MATERIAL HAVING THEREON A COATING COMPRISING (1) THE DOUBLE METAL SALT OF THE CONDENSATION PRODUCT OF A DIAZOTIZED PARA-AMINO-DIPHENYLAMINE AND FORMALDEHYDE AND (2) PHOSPHORIC ACID.
Claim 2
Dependent Claim
32 words
A PRESENSITIZED PRINTING PLATE COMPRISING A BASE MATERIAL HAVING THEREON A COATING COMPRISING (1) THE DOUBLE METAL SALT OF THE CONDENSATION PRODUCT OF A DIAZOTIZED PARA-AMINO-DIPHENYLAMINE AND FORMALDEHYDE AND (2) PHOSPHORIC ACID.
References Cited (Backward Citations)
US2266229A
Cited
US2679498A
Cited
US1983005A
Cited
US2100063A
Cited
GB640491A
Cited
US2624673A
Cited
US2687958A
Cited
US2739889A
Cited
US2778735A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-26 | 1971-09-25 | 1972-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-26 | 1975-09-25 | 1976-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-26 | 1979-09-25 | 1980-03-26 | $7700.00 | Window Closed / Lapsed |