Patent US2635534A successfully refreshed from Google Patents.
US2635534A
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Process for preparing an electrographic reproduction instrumentality
Assignee: Huebner Co
•
Filing: 1948-04-30
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Granted: 1953-04-21
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Expires: 1968-04-30
Abstract
No abstract record available.
Inventors
- 👤 William C Huebner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:25
CPC Classifications
B; B41; B41M; B41M1/00; B41M1/12; B41M1/125; G; G03; G03F; G03F7/00; G03F7/12; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US757438A
Cited
US1494667A
Cited
US1636546A
Cited
US1563943A
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US1643019A
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GB369213A
Cited
US2278771A
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US2318465A
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US2419028A
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US2374524A
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US2392521A
Cited
US2421607A
Cited
US2500617A
Cited
US2453735A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-20 | 1956-10-20 | 1957-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-20 | 1960-10-20 | 1961-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-20 | 1964-10-20 | 1965-04-21 | $7700.00 | Window Closed / Lapsed |