US2869461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroprinting from a raised resist pattern
Assignee: Eastman Kodak Co
•
Filing: 1956-02-27
•
Granted: 1959-01-20
•
Expires: 1976-02-27
Abstract
No abstract record available.
Inventors
- 👤 James G Jarvis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:31
CPC Classifications
B; B41; B41M; B41M1/00; B41M1/42; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
THE METHOD OF PRODUCING AN IMAGE ON TISSUE PAPER WHICH COMPRISES FORMING ON A METAL SUPPORT A TWO TONE IMAGE OF ELECTRICALLY INSULATING MATERIAL WITH A THICKNESS BETWEEN .0002 AND .002 INCH, BRINGING A SHEET OF TISSUE PAPER OF THICKNESS BETWEEN .0002 AND .003 INCH INTO CONTACT WITH THE TOPS OF THE MATERIAL, SIMULTANEOUSLY ESTABLISHING AN ELECTRICAL POTENTIAL DIFFERENCE ACROSS THE PAPER AND MATERIAL WITH A POTENTIAL LESS THAN BREAKDOWN POTENTIAL OF THE MATERIAL AND GREATER THAN 1/4 OF SAID BREAKDOWN POTENTIAL TO DRAW THE TISSUE PAPER INTO CONTACT WITH THE BARE METAL SUPPORT AREA BETWEEN THE AREAS OF THE MATERIAL AND PASSING CHARGED PARTICLES OF INK NEAR THE FRONT OF THE TISSUE PAPER TO BE ATTRACTED TO THE AREAS THEREOF IN FRONT OF SAID BARE METAL AREAS.
Claim 2
Independent Claim
128 words
THE METHOD OF PRODUCING AN IMAGE ON TISSUE PAPER WHICH COMPRISES FORMING ON A METAL SUPPORT A TWO TONE IMAGE OF ELECTRICALLY INSULATING MATERIAL WITH A THICKNESS BETWEEN .0002 AND .002 INCH, BRINGING A SHEET OF TISSUE PAPER OF THICKNESS BETWEEN .0002 AND .003 INCH INTO CONTACT WITH THE TOPS OF THE MATERIAL, SIMULTANEOUSLY ESTABLISHING AN ELECTRICAL POTENTIAL DIFFERENCE ACROSS THE PAPER AND MATERIAL WITH A POTENTIAL LESS THAN BREAKDOWN POTENTIAL OF THE MATERIAL AND GREATER THAN 1/4 OF SAID BREAKDOWN POTENTIAL TO DRAW THE TISSUE PAPER INTO CONTACT WITH THE BARE METAL SUPPORT AREA BETWEEN THE AREAS OF THE MATERIAL AND PASSING CHARGED PARTICLES OF INK NEAR THE FRONT OF THE TISSUE PAPER TO BE ATTRACTED TO THE AREAS THEREOF IN FRONT OF SAID BARE METAL AREAS.
References Cited (Backward Citations)
US308043A
Cited
US2053494A
Cited
US2097233A
Cited
US2451288A
Cited
GB605979A
Cited
US2637651A
Cited
US2610120A
Cited
US2756143A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |