Patent US2912791A successfully refreshed from Google Patents.
US3472802A
Expired / Lapsed
US
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Novel nitrocellulose flexographic printing inks
Assignee: BASF Corp
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Filing: 1966-11-23
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Granted: 1969-10-14
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Expires: 1986-11-23
Abstract
No abstract record available.
Inventors
- 👤 Kenneth A Bownes
- 👤 Edward S Bendrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:54
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/02; C09D11/14; C08; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/10; C08G18/28; C08G18/2805; C08L; C08L75/00; C08L75/04; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31591
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2948691A
Cited
US3115479A
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US3189578A
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US3114735A
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US3252926A
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US3316189A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |