Patent US1234799A successfully refreshed from Google Patents.
Patent US3372041A successfully refreshed from Google Patents.
US3372041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing inks
Assignee: Cabot Corp
•
Filing: 1965-06-04
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Granted: 1968-03-05
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Expires: 1985-06-04
Abstract
No abstract record available.
Inventors
- 👤 Rollins E Dobbin
- 👤 Curt B Beck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:42
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/02; C09D11/03; C09D11/037; C09C; C09C1/00; C09C1/44; C09C1/48; C09C1/56; C09C1/58; C01; C01P; C01P2004/00; C01P2004/60; C01P2004/61; C01P2006/00; C01P2006/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2167674A
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US2794747A
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US2699381A
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US3011902A
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US2891872A
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US2942299A
Cited
US2953437A
Cited
US2960413A
Cited
US3005725A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |