US2647284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of curving a flat molded plastic printing plate
Assignee: News Syndicate Co Inc
•
Filing: 1949-02-25
•
Granted: 1953-08-04
•
Expires: 1969-02-25
Abstract
No abstract record available.
Inventors
- 👤 Henry M Richardson
- 👤 Jr William Baumrucker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:02
CPC Classifications
B; B41; B41N; B41N1/00; B41N1/16; B41N1/22; B29; B29B; B29B13/00; B29B13/02; B29B13/023; B29C; B29C53/00; B29C53/02; B29C53/04; B29C67/00; B41C; B41C1/00; B41C1/18; B29C35/00; B29C35/02; B29C35/08; B29C35/0805; B29C2035/0822; Y; Y10; Y10S; Y10S264/00; Y10S264/66
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US130140A
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US1132384A
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US1190072A
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US1785391A
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US2075636A
Cited
US2030066A
Cited
US2397827A
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US2442338A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-03 | 1957-02-02 | 1957-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-03 | 1961-02-02 | 1961-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-03 | 1965-02-02 | 1965-08-04 | $7700.00 | Window Closed / Lapsed |