Patent US3073765A successfully refreshed from Google Patents.
US3073765A
Expired / Lapsed
US
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Process for electrolytically graining aluminum lithographic plates
Assignee: Individual
•
Filing: 1960-04-18
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Granted: 1963-01-15
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Expires: 1980-04-18
Abstract
No abstract record available.
Inventors
- 👤 Adams Ronald Alfred Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:32
CPC Classifications
C; C25; C25F; C25F3/00; C25F3/02; C25F3/04; C23; C23G; C23G1/00; Y; Y10; Y10S; Y10S205/00; Y10S205/921
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1705944A
Cited
US2171546A
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US2344510A
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US2347572A
Cited
US2507314A
Cited
US2541901A
Cited
US2811426A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |