US3558290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plated plastic printing plates
Assignee: Union Carbide Corp
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Filing: 1968-04-02
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Granted: 1971-01-26
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Expires: 1988-04-02
Abstract
Abstract A METAL-PLATED PLASTIC PRINTING PLATE IS PROVIDED WHICH IS A CONSIDERABLE IMPROVEMENT IN DURABILITY OVER CONVENTIONAL PLASTIC PRINTING PLATES, AND THEIR PREDECESSORS, THE LEAD STEREOTYPES AND ZINC ORIGINALS.
Inventors
- 👤 Frederick L Baier
- 👤 John B Wheeler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:57
CPC Classifications
B; B41; B41N; B41N1/00; B41N1/04; B41N1/06; Y; Y10; Y10S; Y10S428/00; Y10S428/908; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/9335; Y10S428/936; Y10T; Y10T428/00; Y10T428/12; Y10T428/12389; Y10T428/12493; Y10T428/12535; Y10T428/12556; Y10T428/12569; Y10T428/12639; Y10T428/12646; Y10T428/12771; Y10T428/12778; Y10T428/12806; Y10T428/12826; Y10T428/12847; Y10T428/12854; Y10T428/24; Y10T428/24479; Y10T428/24521; Y10T428/24545; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265; Y10T428/31504; Y10T428/31678; Y10T428/31692
Claims Analysis
Total Claims: 0
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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) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |