US3093071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gravure printing surface
Assignee: Continental Can Co Inc
•
Filing: 1961-08-01
•
Granted: 1963-06-11
•
Expires: 1981-08-01
Abstract
No abstract record available.
Inventors
- 👤 Charles B Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:10
CPC Classifications
G; G03; G03F; G03F5/00; G03F5/20
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
120 words
A SCREENED GRAVURE PRINTING BODY INCLUDING AN UPPER SURFACE HAVING FORMED THEREIN INK RECEIVING CELLS POSITIONED IN ACCORDANCE WITH THE AREA TO BE PRINTED AND OF INK CAPACITY IN ACCORDANCE WITH THE DESIRED TONE DEPTH, SAID CELLS BEING ARRANGED IN A RECTILINEAR PATTERN AND SAID CELLS BEING IN THE FORM OF CONTINUOUS CHANNELS SURROUNDING CENTRAL PORTIONS OF SAID UPPER SURFACE WITH THE WIDTHS OF SAID CHANNEL VARYING IN ACCORDANCE WITH A DESIRED TONE DEPTH, SAID CHANNELS INCREASING IN WIDTH BOTH INWARDLY AND OUTWARDLY WITH RESPECT TO EACH CELLS CENTER WITH AN INCREASE IN TONE DEPTH LESS THAN FULL TONE DEPTH, AND SAID CHANNELS TRANSFORMING INTO SINGLE CAVITIES DEVOID OF SAID CENTRAL PORTIONS IN ACCORDANCE WITH A DESIRED FULL TONE DEPTH.
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) | 1966-06-10 | 1966-12-10 | 1967-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-10 | 1970-12-10 | 1971-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-10 | 1974-12-10 | 1975-06-11 | $7700.00 | Window Closed / Lapsed |