Patent US3216353A successfully refreshed from Google Patents.
US3216353A
Expired / Lapsed
US
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Bendable thermoplastic printing plates
Assignee: Individual
•
Filing: 1962-10-25
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Granted: 1965-11-09
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Expires: 1982-10-25
Abstract
No abstract record available.
Inventors
- 👤 Wallenius Johan Benjamin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:52
CPC Classifications
B; B41; B41D; B41D5/00; B41N; B41N1/00; B41N1/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A PRINTING PLATE, INCLUDING INCOMBINATION, A BACKING PLATE OF FIBROUS CELLULOSE FELT IMPREGNATED WITH A THERMOPLASTIC AND PENOLIC RESIN SUCH THAT THE FELT PERMANENTLY REMAINS THERMOPLASTIC, AND A FLEXIBLE CURED RUBBER PRINTING ELEMENT FLEXIBLY SECURED TO SAID BACKING PLATE.
Claim 2
Dependent Claim
39 words
A PRINTING PLATE, INCLUDING INCOMBINATION, A BACKING PLATE OF FIBROUS CELLULOSE FELT IMPREGNATED WITH A THERMOPLASTIC AND PENOLIC RESIN SUCH THAT THE FELT PERMANENTLY REMAINS THERMOPLASTIC, AND A FLEXIBLE CURED RUBBER PRINTING ELEMENT FLEXIBLY SECURED TO SAID BACKING PLATE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |