US3728123A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plate for dry planography
Assignee: Warren SD Co
•
Filing: 1971-05-20
•
Granted: 1973-04-17
•
Expires: 1991-05-20
Abstract
Abstract A NEGATIVE ACTING PRESENTIZED PLATE FOR USE IN DRY PLANOGRAPHY, SAID PLATE COMPRISED OF A FLEXIBLE SUBSTRATE HAVING COATED THEREON A LAYER OF SILICONE RUBBER WHICH WHEN CURED WILL NOT ACCEPT PRINTING INK, A LAYER OF POLYMERIC ANCHORING MATERIAL OVERLYING AND ADHERED TO THE SILICONE RUBBER AND A LAYER OF PHOTORESPONSIVE IMAGE FORMING MATERIAL COATED OVER SAID ANCHORING MATERIAL WITH THE ANCHORING MATERIAL SERVING TO BOND THE PHOTORESPONSIVE IMAGE FORMING MATERIAL TO THE SILICONE LAYER.
Inventors
- 👤 H Gipe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:27
CPC Classifications
B; B41; B41N; B41N1/00; B41N1/003; G; G03; G03F; G03F7/00; G03F7/004; G03F7/075; G03F7/0752
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-04-16 | 1976-10-16 | 1977-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-16 | 1980-10-16 | 1981-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-16 | 1984-10-16 | 1985-04-17 | $7700.00 | Window Closed / Lapsed |