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Patent US3443515A successfully refreshed from Google Patents.
US3443515A
Expired / Lapsed
US
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Apparatus for flat plate powder gravure printing
Assignee: INTERN CORP
•
Filing: 1966-08-03
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Granted: 1969-05-13
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Expires: 1986-08-03
Abstract
No abstract record available.
Inventors
- 👤 Daniel Smith
- 👤 Norman S Cassel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:48
CPC Classifications
B; B41; B41M; B41M1/00; B41M1/42; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US302579A
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US2787556A
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US3245341A
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US3253540A
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US3285168A
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US3241483A
Cited
US3296965A
Cited
US3302580A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-12 | 1972-11-11 | 1973-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-12 | 1976-11-11 | 1977-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-12 | 1980-11-11 | 1981-05-13 | $7700.00 | Window Closed / Lapsed |