US2983221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Planographic printing plates
Assignee: Timefax Corp
•
Filing: 1955-11-28
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Granted: 1961-05-09
•
Expires: 1975-11-28
Abstract
No abstract record available.
Inventors
- 👤 Harold R Dalton
- 👤 Wolf Murray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:59
CPC Classifications
B; B41; B41N; B41N3/00; B41N3/03; B41N3/038
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
56 words
A PLANOGRAPHIC PRINTING PLATE COMPRISING A BACKING MEMBER, A LITHOGRAPHIC COATING CARRIED BY SAID MEMBER, AND ANOTHER COATING COMPRISING A TETRA-ORGANO ESTER DERIVATIVE OF ORTHO TITANIC ACID IN WHICH THE ESTER GROUP CONTAINS FOUR OR LESS CARBON ATOMS, AND SAID OTHER COATING IS ADJACENT SAID LITHOGRAPHIC COATING AND WHEN DRY IS REPELLENT TO LITHOGRAPHIC PRINTING INK.
Claim 2
Dependent Claim
56 words
A PLANOGRAPHIC PRINTING PLATE COMPRISING A BACKING MEMBER, A LITHOGRAPHIC COATING CARRIED BY SAID MEMBER, AND ANOTHER COATING COMPRISING A TETRA-ORGANO ESTER DERIVATIVE OF ORTHO TITANIC ACID IN WHICH THE ESTER GROUP CONTAINS FOUR OR LESS CARBON ATOMS, AND SAID OTHER COATING IS ADJACENT SAID LITHOGRAPHIC COATING AND WHEN DRY IS REPELLENT TO LITHOGRAPHIC PRINTING INK.
Claim 3
Dependent Claim
49 words
AN ELECTRO-RESPONSIVE PLANOGRAPHIC PRINTING PLATE COMPRISING A BACKING MEMBER, A LITHOGRAPHIC COATING FOR SAID MEMBER, AND AN ELECTRICALLY CONDUCTIVE LAYER BETWEEN SAID LITHOGRAPHIC COATING AND SAID BACKING, SAID CONDUCTIVE LAYER INCLUDING A TETRA-ORGANO ESTER DERIVATIVE OF ORTHO TITANIC ACID WHICH IN DRY FORM IS REPELLENT TO LITHOGRAPHIC PRINTING INK.
Claim 4
Dependent Claim
49 words
AN ELECTRO-RESPONSIVE PLANOGRAPHIC PRINTING PLATE COMPRISING A BACKING MEMBER, A LITHOGRAPHIC COATING FOR SAID MEMBER, AND AN ELECTRICALLY CONDUCTIVE LAYER BETWEEN SAID LITHOGRAPHIC COATING AND SAID BACKING, SAID CONDUCTIVE LAYER INCLUDING A TETRA-ORGANO ESTER DERIVATIVE OF ORTHO TITANIC ACID WHICH IN DRY FORM IS REPELLENT TO LITHOGRAPHIC PRINTING INK.
Claim 5
Dependent Claim
49 words
IN THE ART OF LITHOGRAPHY, THE METHOD OF TREATING SELECTED AREAS IN A LITHOGRAPHIC PLATE FOR SURFACE CORRECTION WHICH COMPRISES APPLYING TO THOSE AREAS A COATING IN THE FORM OF A TETRA-ORGANO ESTER DERIVATIVE OF ORTHO TITANIC ACID IN WHICH THE ESTER GROUP CONTAINS FOUR OR LESS CARBON ATOMS.
Claim 6
Dependent Claim
49 words
IN THE ART OF LITHOGRAPHY, THE METHOD OF TREATING SELECTED AREAS IN A LITHOGRAPHIC PLATE FOR SURFACE CORRECTION WHICH COMPRISES APPLYING TO THOSE AREAS A COATING IN THE FORM OF A TETRA-ORGANO ESTER DERIVATIVE OF ORTHO TITANIC ACID IN WHICH THE ESTER GROUP CONTAINS FOUR OR LESS CARBON ATOMS.
References Cited (Backward Citations)
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Cited
US2187821A
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US2635537A
Cited
US2663720A
Cited
US2689858A
Cited
US2768907A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |