Patent US2558877A successfully refreshed from Google Patents.
US2558877A
Expired / Lapsed
US
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Printing plate and method of manufacturing
Assignee: Pioneer Electric and Research Corp
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Filing: 1949-01-25
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Granted: 1951-07-03
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Expires: 1969-01-25
Abstract
No abstract record available.
Inventors
- 👤 Thomas I Ress
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:41
CPC Classifications
B; B41; B41L; B41L47/00; B41L47/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981; Y10T29/49812
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1048459A
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US1117866A
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US1084696A
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US1856928A
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US2078535A
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US2039074A
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US2108822A
Cited
US2343191A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-02 | 1955-01-01 | 1955-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-02 | 1959-01-01 | 1959-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-02 | 1963-01-01 | 1963-07-03 | $7700.00 | Window Closed / Lapsed |