US3374311A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Producing printing blocks,preferably intaglio printing blocks
Assignee: Dr-Ing Rudolf Hell KG
•
Filing: 1963-08-27
•
Granted: 1968-03-19
•
Expires: 1983-08-27
Abstract
No abstract record available.
Inventors
- 👤 Rudolf Hell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:07
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/40; H04N1/40025; H04N1/40043; B; B23; B23K; B23K26/00; B23K26/08; B23K26/0823; B41; B41C; B41C1/00; B41C1/02; B41C1/04; B41C1/05; H04N1/23; H04N1/40037; Y; Y10; Y10S; Y10S408/00; Y10S408/701
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A SYSTEM OF PRODUCING PRINTING BLOCKS, PREFERABLY INTAGLIO PRINTING BLOCKS, FROM SINGLE-COLORED OR MULTICOLORED PICTURE OR TEXT COPIES, BY PHOTOELECTRICALLY SCANNING SUCH ORIGINALS TO BE REPRODUCED AND REMOVING CONTINUOUSLY VARIABLE AND CONTROLLABLE AMOUNTS OF MATERIAL FROM THE SURFACE OF SUCH BLOCKS UNDER THE CONTROL OF SUCH SCANNING, COMPRISING EVAPORATING THE MATERIAL ON THE SURFACE OF SUCH BLOCKS IN ATMOSPHERIC PRESSURE BY A VERY HIGHLY BUNCHED, MONOCHROMATIC BUNDLE OF LIGHT RAYS OF HIGH POWER DENSITY BEING FOCUSED ON TO SAID SURFACE OF SAID BLOCKS, AND MODULATING SAID BUNDLE OF LIGHT RAYS BY THE PHOTOCELL SIGNALS.
Claim 2
Independent Claim
94 words
A SYSTEM OF PRODUCING PRINTING BLOCKS, PREFERABLY INTAGLIO PRINTING BLOCKS, FROM SINGLE-COLORED OR MULTICOLORED PICTURE OR TEXT COPIES, BY PHOTOELECTRICALLY SCANNING SUCH ORIGINALS TO BE REPRODUCED AND REMOVING CONTINUOUSLY VARIABLE AND CONTROLLABLE AMOUNTS OF MATERIAL FROM THE SURFACE OF SUCH BLOCKS UNDER THE CONTROL OF SUCH SCANNING, COMPRISING EVAPORATING THE MATERIAL ON THE SURFACE OF SUCH BLOCKS IN ATMOSPHERIC PRESSURE BY A VERY HIGHLY BUNCHED, MONOCHROMATIC BUNDLE OF LIGHT RAYS OF HIGH POWER DENSITY BEING FOCUSED ON TO SAID SURFACE OF SAID BLOCKS, AND MODULATING SAID BUNDLE OF LIGHT RAYS BY THE PHOTOCELL SIGNALS.
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) | 1971-03-19 | 1971-09-18 | 1972-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-19 | 1975-09-18 | 1976-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-19 | 1979-09-18 | 1980-03-19 | $7700.00 | Window Closed / Lapsed |