Patent US2276506A successfully refreshed from Google Patents.
US3201239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Etchable reproduction coatings on metal supports
Assignee: Azoplate Corp
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Filing: 1960-09-01
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Granted: 1965-08-17
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Expires: 1980-09-01
Abstract
No abstract record available.
Inventors
- 👤 Neugebauer Wilhelm
- 👤 Endermann Fritz
- 👤 Reichel Maximilian Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:40
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/72; C; C23; C23F; C23F1/00; C23F1/02; G03F; G03F7/00; G03F7/004; G03F7/022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A LIGHT-SENSITIVE MATERIAL COMPRISING A METALLIC BASE MATERIAL HAVING A COATING THEREON COMPRISING A NONHARDENABLE, ALKALI-SOLUBLE, ACID RESISTANT NOVOLAK RESIN AND A LIGHT SENSITIVE COMPOUND, THE RESIN BEING PRESENT IN A QUANTITY, BY WEIGHT, AT LEAST EQUIVALENT TO THAT OF THE LIGHT SENSITIVE COMPOUND, THE LATTER HAVING THE FORMULA
Claim 2
Dependent Claim
49 words
A LIGHT-SENSITIVE MATERIAL COMPRISING A METALLIC BASE MATERIAL HAVING A COATING THEREON COMPRISING A NONHARDENABLE, ALKALI-SOLUBLE, ACID RESISTANT NOVOLAK RESIN AND A LIGHT SENSITIVE COMPOUND, THE RESIN BEING PRESENT IN A QUANTITY, BY WEIGHT, AT LEAST EQUIVALENT TO THAT OF THE LIGHT SENSITIVE COMPOUND, THE LATTER HAVING THE FORMULA
References Cited (Backward Citations)
CA581020A
Cited
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GB711626A
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GB744987A
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US2754209A
Cited
GB739654A
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US3130047A
Cited
US3130048A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |