US3263604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electro-responsive blanks
Assignee: Timefax Corp
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Filing: 1962-01-12
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Granted: 1966-08-02
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Expires: 1982-01-12
Abstract
No abstract record available.
Inventors
- 👤 Harold R Dalton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:53
CPC Classifications
B; B41; B41C; B41C1/00; B41C1/10; B41C1/1008; B41C1/1033
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
AN ELECTROSENSITIVE RECORDING BLANK OF THE KIND WHICH IS ELECTRICALLY CONDUCTIVE AND WHICH IS DESIGNED TO HAVE PART OR ALL OF ITS THICKNESS DISINTEGRATED IN SIGNAL-CONTROLLED ELEMENTALLY SCANNED AREAS AND WHICH TEND TO PRODUCE CONTAMINATING DISINTEGRATION PRODUCTS WHEN SUBJECTED TO ELECTRIC DISCHARGE AT SAID AREAS, SAID BLANK INCLUDING A COMPOUND CHOSEN FROM THE GROUP CONSISTING OF THE PEROXIDES OF THE METALS CALCIUM, BARIUM, STRONTIUM, CADMIUM, ZINC AND MANGANESE AND FROM WHICH OXYGEN IS RELEASED BY THE HEAT OF THE RECORDING CURRENTS AND REACTS UNDER THE RECORDING CONDITIONS WITH SAID DISINTEGRATION PRODUCTS TO NEUTRALIZE THEIR CONTAMINATING EFFECT.
Claim 2
Dependent Claim
66 words
AN ELECTROSENSITIVE RECORDING BLANK ACCORDING TO CLAIM 2 HAVING A PAPER BACKING WHOSE SURFACE IS HYDROPHILIC BUT WATER INSOLUBLE AND WHICH IS RECEPTIVE TO LITHOGRAPHIC LINK ONLY AT THOSE AREAS WHICH ARE SUBJECTED TO THE RECORDING ELECTRIC DISCHARGE, AND A CONDUCTIVE PLASTIC FILM STRIPPABLY ATTACHED TO SAID HYDROPHILIC SURFACE, SAID FILM BEING PERFORATABLE BY THE ELECTRIC DISCHARGE TO RENDER ONLY SAID AREAS RECEPTIVE TO LITHOGRAPHIC LINK.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |