US3281243A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lithographic printing surface
Assignee: Harris Graphics Corp
•
Filing: 1965-12-20
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Granted: 1966-10-25
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Expires: 1985-12-20
Abstract
No abstract record available.
Inventors
- 👤 Jack L Sorkin
- 👤 Daniel C Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:26
CPC Classifications
B; B41; B41N; B41N3/00; B41N3/03; B41N3/038
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
95 words
A LITHOGRAPHIC PLATE COMPRISING A METAL SURFACED SUPPORT MEMBER, A HYDROPHILIC BARRIER COATING ON SAID SUPPORT MEMBER COMPRISING THE REACTION PRODUCT OF A HYDROXYL CONTAINING WATER-DISPERSIBLE AMINOFORMALDEHYDE SELECTED FROM THE GROUP CONSISTING OF UREAFORMALDEHYDE AND MELAMINE FORMALDEHYDE RESINS AND A METAL ESTER HAVING THE FORMULA (RO)4M WHEREIN R IS A MONOVALENT HYDROCARBON RADICAL SELECTED FROM THE GROUP CONSISTING OF PHENYL, TOLYL, XYLYL AND ALIPHATIC RADICALS HAVING FROM 1 TO 8 CARBON ATOMS AND M IS A METAL SELECTED FROM THE GROUP CONSISTING OF TITANIUM AND ZIRCONIUM, AND A LIGHTSENSITIVE LAYER OVER SAID HYDROPHILIC BARRIER COATING.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |