US2943936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cartographic material
Assignee: Keuffel and Esser Co
•
Filing: 1956-12-13
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Granted: 1960-07-05
•
Expires: 1976-12-13
Abstract
No abstract record available.
Inventors
- 👤 Daniel S Spechler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:10
CPC Classifications
G; G03; G03F; G03F1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
A DIMENSIONALLY STABLE FLEXIBLE SHEET MATERIAL USEFUL IN CARTOGRAPHY COMPRISING A BASE FILM OF ORIENTATED POLYETHYLENE TEREPHTHALATE, AN ADHERENT COATING ON ONE SIDE OF SAID BASE FILM OF A FILM FORMING HYDROPHOBIC ORGANIC MATERIAL INCLUDING A COMPOUND FROM THE GROUP CONSISTING OF NITROCELLULOSE, ETHYL CELLULOSE, ACRYLIC RESINS, SISTING OF NITROCELLULOSE, ETHYL CELLULOSE, ACRYLIC RESINS, AND ALKYD RESINS RECEPTIVE TO A FIRST SOLUTION COMPRISING DYE DISSOLVED IN ORAGNIC SOLVENTS BUT NOT TO A SECOND SOLUTION COMPRISING DYE DISSOLVED IN WATER AND A COATING COMPRISING A HYDROPHILIC COMPOUND FROM THE GROUP CONSISTING OF POLYVINYL ALCOHOL AND GELETIN APPLIED OVER SAID ADHERENT COATING, WHICH SECOND COATING IS MADE PHOTOSENSITIVE BY TREATMENT WITH AN AQEOUS SOLUTION CONTAINING A BICHROMATE AND WHICH AFTER EXPOSURE IS DEVELOPED WITH WATER TO FORM A RELIEF IMAGE THAT IS PEELABLE IN A CONTINUOUS SHEET FROM SAID ADHERENT COATING AND IS RECEPTIVE TO THE SOLUTION COMPRISING A DYE DISSOLVED IN WATER BUT WHICH WILL NOT ACCEPT A DYE APPLIED IN A SOLUTION IN ORAGNIC SOLVENTS.
Claim 2
Dependent Claim
165 words
A DIMENSIONALLY STABLE FLEXIBLE SHEET MATERIAL USEFUL IN CARTOGRAPHY COMPRISING A BASE FILM OF ORIENTATED POLYETHYLENE TEREPHTHALATE, AN ADHERENT COATING ON ONE SIDE OF SAID BASE FILM OF A FILM FORMING HYDROPHOBIC ORGANIC MATERIAL INCLUDING A COMPOUND FROM THE GROUP CONSISTING OF NITROCELLULOSE, ETHYL CELLULOSE, ACRYLIC RESINS, SISTING OF NITROCELLULOSE, ETHYL CELLULOSE, ACRYLIC RESINS, AND ALKYD RESINS RECEPTIVE TO A FIRST SOLUTION COMPRISING DYE DISSOLVED IN ORAGNIC SOLVENTS BUT NOT TO A SECOND SOLUTION COMPRISING DYE DISSOLVED IN WATER AND A COATING COMPRISING A HYDROPHILIC COMPOUND FROM THE GROUP CONSISTING OF POLYVINYL ALCOHOL AND GELETIN APPLIED OVER SAID ADHERENT COATING, WHICH SECOND COATING IS MADE PHOTOSENSITIVE BY TREATMENT WITH AN AQEOUS SOLUTION CONTAINING A BICHROMATE AND WHICH AFTER EXPOSURE IS DEVELOPED WITH WATER TO FORM A RELIEF IMAGE THAT IS PEELABLE IN A CONTINUOUS SHEET FROM SAID ADHERENT COATING AND IS RECEPTIVE TO THE SOLUTION COMPRISING A DYE DISSOLVED IN WATER BUT WHICH WILL NOT ACCEPT A DYE APPLIED IN A SOLUTION IN ORAGNIC SOLVENTS.
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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) | 1963-07-05 | 1964-01-04 | 1964-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-05 | 1968-01-04 | 1968-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-05 | 1972-01-04 | 1972-07-05 | $7700.00 | Window Closed / Lapsed |