Patent US5410328A successfully refreshed from Google Patents.
Patent US3409434A successfully refreshed from Google Patents.
US3409434A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resin precoated diazotype papers
Assignee: GAF Corp
•
Filing: 1965-10-28
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Granted: 1968-11-05
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Expires: 1985-10-28
Abstract
No abstract record available.
Inventors
- 👤 Maurice J Landberge
- 👤 Mark L Moskowitz
- 👤 Frank P Kolesinskas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:41
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/775; G03C1/52; G03C1/60
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
56 words
A DIAZOTYPE PHOTO PRINTING MATERIAL WHICH COMPRISES, IN ORDER, AN ABSORBENT BASE CNTAINING FROM ABOUT .025 TO ABOUT .5 GRAM PER SQ. FT. OF A BORON COMPOUND WHICH IS CAPABLE OF YIELDING BORATE IONS IN AQUEOUS SOLUTION, A LAYER COMPRISING A FILM-FORMING ORGANIC RESIN MATERIAL HAVING HYDROPHILIC PROPERTIES AND A LAYER COMPRISING A LIGHT-SENSITIVE DIAZO COMPOUND.
Claim 2
Dependent Claim
56 words
A DIAZOTYPE PHOTO PRINTING MATERIAL WHICH COMPRISES, IN ORDER, AN ABSORBENT BASE CNTAINING FROM ABOUT .025 TO ABOUT .5 GRAM PER SQ. FT. OF A BORON COMPOUND WHICH IS CAPABLE OF YIELDING BORATE IONS IN AQUEOUS SOLUTION, A LAYER COMPRISING A FILM-FORMING ORGANIC RESIN MATERIAL HAVING HYDROPHILIC PROPERTIES AND A LAYER COMPRISING A LIGHT-SENSITIVE DIAZO COMPOUND.
Claim 3
Dependent Claim
48 words
A DIAZOTYPE PHOTO PRINTING MATERIAL WHICH COMPRISES, IN ORDER, A PAPER SUPPORT HAVING A LAYER COMPRISING A BORON COMPOUND WHICH IS CAPABLE OF YIELDING BORATE IONS IN AQUEOUS SOLUTION, A LAYER COMPRISING A FILM-FORMING ORGANIC RESIN MATERIAL HAVING HYDROPHILIC PROPERTIES, AND A LAYER COMPRISING A LIGHT-SENSITIVE DIAZO COMPOUND.
Claim 4
Dependent Claim
48 words
A DIAZOTYPE PHOTO PRINTING MATERIAL WHICH COMPRISES, IN ORDER, A PAPER SUPPORT HAVING A LAYER COMPRISING A BORON COMPOUND WHICH IS CAPABLE OF YIELDING BORATE IONS IN AQUEOUS SOLUTION, A LAYER COMPRISING A FILM-FORMING ORGANIC RESIN MATERIAL HAVING HYDROPHILIC PROPERTIES, AND A LAYER COMPRISING A LIGHT-SENSITIVE DIAZO COMPOUND.
References Cited (Backward Citations)
US1770352A
Cited
US2405523A
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US2657137A
Cited
US2970909A
Cited
US3123472A
Cited
US3030210A
Cited
US3309200A
Cited
US3330662A
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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) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |