Patent US3536008A successfully refreshed from Google Patents.
US3536008A
Expired / Lapsed
US
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Method of making metal printing form
Assignee: Individual
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Filing: 1967-03-23
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Granted: 1970-10-27
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Expires: 1987-03-23
Abstract
Abstract A composite printing foil produced by applying to one face of an aluminum foil formed with spaced projections extending outwardly at the other face of the foil, a supporting layer of synthetic resin or paper and the like which layer has a thickness between about one-half and one-and-a-half times the thickness of the aluminum foil.
Inventors
- 👤 Gerhard Ritzerfeld
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:38
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/04; B32B15/12; B41; B41M; B41M1/00; B41M1/06; B32B15/08; B32B15/082; B32B15/085; B32B15/20; B32B23/00; B32B23/04; B32B23/042; B32B3/00; B32B3/26; B32B3/28; B32B38/00; B32B38/06; B32B7/00; B32B7/04; B32B7/12; B41N; B41N1/00; B41N1/04; B41N1/06; B32B2309/00; B32B2309/08; B32B2309/10; B32B2309/105
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) | 1973-10-26 | 1974-04-27 | 1974-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-26 | 1978-04-27 | 1978-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-26 | 1982-04-27 | 1982-10-27 | $7700.00 | Window Closed / Lapsed |