Patent US3254597A successfully refreshed from Google Patents.
US3254597A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Planographic printing plates
Assignee: Oxford Paper Co
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Filing: 1962-08-03
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Granted: 1966-06-07
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Expires: 1982-08-03
Abstract
No abstract record available.
Inventors
- 👤 Robert T Hart
- 👤 Glenn H Perkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:45
CPC Classifications
B; B41; B41C; B41C1/00; B41C1/10; B41C1/1091; B41N; B41N3/00; B41N3/03; B41N3/036
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A PLANOGRAPHIC PRINTING PLATE COMPRISING A BASE AND, ADHERED THERETO, AN INSOLUBILIZED COATING WHICH COMPRISES A PIGMENT AND THE REACTION PRODUCT OF A HYDROPHILIC COLLOID AND AMMONIUM ZIRCONYL CARBONATE, THE SURFACE OF SAID PLANOGRAPHIC PRINTING PLATE HAVING AN INK RECEPTIVE IMAGE THEREON.
Claim 2
Dependent Claim
42 words
A PLANOGRAPHIC PRINTING PLATE COMPRISING A BASE AND, ADHERED THERETO, AN INSOLUBILIZED COATING WHICH COMPRISES A PIGMENT AND THE REACTION PRODUCT OF A HYDROPHILIC COLLOID AND AMMONIUM ZIRCONYL CARBONATE, THE SURFACE OF SAID PLANOGRAPHIC PRINTING PLATE HAVING AN INK RECEPTIVE IMAGE THEREON.
References Cited (Backward Citations)
GB678187A
Cited
US2814988A
Cited
US2964403A
Cited
US3073723A
Cited
US3020839A
Cited
US3081199A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |