Patent US4004099A successfully refreshed from Google Patents.
Patent US3229628A successfully refreshed from Google Patents.
US3229628A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printing plate and method of making the same
Assignee: RR Donnelley and Sons Co
•
Filing: 1964-05-22
•
Granted: 1966-01-18
•
Expires: 1984-05-22
Abstract
No abstract record available.
Inventors
- 👤 Elmore H Mundell
- 👤 Kenneth L Strachan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:17
CPC Classifications
B; B41; B41N; B41N1/00; B41N1/04; B41N1/08; B41N1/086
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
AN OFFSET PRINTING PLATE COMPRISING: A SMOOTH SURFACED ALUMINUM FOIL LAYER HAVING A THICKNESS FROM ABOUT 0.00010 TO ABOUT 0.00035 INCH; A WATER RESISTANT PAPER LAYER BONDED TO A SURFACE OF SAID ALUMINUM BY AN INTERVENING FILM OF WATER RESISTANT ADHESIVE THAT IS NO MORE THAN ABOUT 1 MIL IN THICKNESS, SAID PAPER HAVING A THICKNESS FROM 0.0025 TO 0.010 INCH; SAID ALUMINUM LAYER PROVIDING A PRINTING SURFACE, AND SAID PLATE HAVING A COMPRESSIBILITY SUCH THAT THE PLATE IS NOT COMPRESSED MORE THAN TEN PERCENT WHEN SUBJECTED TO A PRESSURE OF 800 POUNDS PER SQUARE INCH.
Claim 2
Dependent Claim
96 words
AN OFFSET PRINTING PLATE COMPRISING: A SMOOTH SURFACED ALUMINUM FOIL LAYER HAVING A THICKNESS FROM ABOUT 0.00010 TO ABOUT 0.00035 INCH; A WATER RESISTANT PAPER LAYER BONDED TO A SURFACE OF SAID ALUMINUM BY AN INTERVENING FILM OF WATER RESISTANT ADHESIVE THAT IS NO MORE THAN ABOUT 1 MIL IN THICKNESS, SAID PAPER HAVING A THICKNESS FROM 0.0025 TO 0.010 INCH; SAID ALUMINUM LAYER PROVIDING A PRINTING SURFACE, AND SAID PLATE HAVING A COMPRESSIBILITY SUCH THAT THE PLATE IS NOT COMPRESSED MORE THAN TEN PERCENT WHEN SUBJECTED TO A PRESSURE OF 800 POUNDS PER SQUARE INCH.
References Cited (Backward Citations)
US2119031A
Cited
US2048964A
Cited
US2046959A
Cited
US2258956A
Cited
US2760432A
Cited
US2719481A
Cited
US3016824A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |