US3317315A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrostatic printing method and element
Assignee: RCA Corp
•
Filing: 1962-04-30
•
Granted: 1967-05-02
•
Expires: 1982-04-30
Abstract
No abstract record available.
Inventors
- 👤 Frederick H Nicoll
- 👤 Herbert F Ogawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:15
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/14; G03G5/147; G03G5/14708; G03G5/14713; G03G5/14717; G03G5/1473; G03G16/00; G03G5/02; G03G5/022; G03G5/04; G03G5/06; G03G5/0601; G03G5/0612; G03G5/0614; G03G5/06142; G03G5/06144; G03G5/0618; G03G5/07; G03G5/14747; G03G5/14791; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
102 words
A RECORDING MEMBER FOR ELECTROSTATIC PRINTING COMPRISING A SUBSTRATE HAVING AN ELECTRICALLY CONDUCTING SURFACE AND HAVING ON SAID SURFACE A PHOTOCONDUCTIVE BOTTOM LAYER OF ORGANIC HEAT-DEFORMABLE MATERIAL HAVING A RESISTIVITY IN DARKNESS OF AT LEAST 10**9 OHM-CENTIMETERS AND A RESISTIVITY, WHEN IRRADIATED OF AT LEAST TWO ORDERS OF MAGNITUDE LESS THAN SAID RESISTIVITY IN DARKNESS, SAID LAYER INCLUDING A SYNTHEIC RESINOUS MATERIAL, AND A SECOND SEPARATE AND DISTANT LAYER BONDED TO SAID PHOTOCONDUCTIVE LAYER, SAID SECOND LAYER COMPRISING A SOLID FILM OF MATERIAL WHICH IS INSOLUBLE IN SAID PHOTOCONDUCTIVE LAYER, SAID FILM HAVING A THICKNESS OF UP TO ABOUT 500 ANGTROM UNITS.
Claim 2
Dependent Claim
102 words
A RECORDING MEMBER FOR ELECTROSTATIC PRINTING COMPRISING A SUBSTRATE HAVING AN ELECTRICALLY CONDUCTING SURFACE AND HAVING ON SAID SURFACE A PHOTOCONDUCTIVE BOTTOM LAYER OF ORGANIC HEAT-DEFORMABLE MATERIAL HAVING A RESISTIVITY IN DARKNESS OF AT LEAST 10**9 OHM-CENTIMETERS AND A RESISTIVITY, WHEN IRRADIATED OF AT LEAST TWO ORDERS OF MAGNITUDE LESS THAN SAID RESISTIVITY IN DARKNESS, SAID LAYER INCLUDING A SYNTHEIC RESINOUS MATERIAL, AND A SECOND SEPARATE AND DISTANT LAYER BONDED TO SAID PHOTOCONDUCTIVE LAYER, SAID SECOND LAYER COMPRISING A SOLID FILM OF MATERIAL WHICH IS INSOLUBLE IN SAID PHOTOCONDUCTIVE LAYER, SAID FILM HAVING A THICKNESS OF UP TO ABOUT 500 ANGTROM UNITS.
Claim 3
Independent Claim
66 words
A METHOD OF RECORDING COMPRISING THE STEPS OF PRODUCING A LATENT ELECTROSTATIC IMAGE ON AN INSULTING LAYER OF THERMOPLASTIC MATERIAL COATED WITH A FILM OF SUBSTANTIALLY INCOMPATIBLE INELASTIC MATEIAL AND HEATING SAID COATED LAYER TO CAUSE SAID THERMOPLASTIC LAYER TO SOFTEN AND SAID FILM TO BREAK UP AND DISTORT THE COATED SURFACE OF SAID LAYER IN THE IMAGE AREAS THEREON TO PRODUCE A LIGHT SCATTERING IMAGE.
Claim 4
Independent Claim
66 words
A METHOD OF RECORDING COMPRISING THE STEPS OF PRODUCING A LATENT ELECTROSTATIC IMAGE ON AN INSULTING LAYER OF THERMOPLASTIC MATERIAL COATED WITH A FILM OF SUBSTANTIALLY INCOMPATIBLE INELASTIC MATEIAL AND HEATING SAID COATED LAYER TO CAUSE SAID THERMOPLASTIC LAYER TO SOFTEN AND SAID FILM TO BREAK UP AND DISTORT THE COATED SURFACE OF SAID LAYER IN THE IMAGE AREAS THEREON TO PRODUCE A LIGHT SCATTERING IMAGE.
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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) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |