Patent US3228784A successfully refreshed from Google Patents.
US3228784A
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Amorphous hydrogen alumino silicate pigments
Assignee: JM Huber Corp
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Filing: 1962-01-08
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Granted: 1966-01-11
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Expires: 1982-01-08
Abstract
No abstract record available.
Inventors
- 👤 Robert K Mays
- 👤 Lloyd E Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:00
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/40; C09C1/42; C09C1/405; C01; C01P; C01P2002/00; C01P2002/02; C01P2004/00; C01P2004/60; C01P2004/62; C01P2006/00; C01P2006/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2192000A
Cited
US2180576A
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US2892800A
Cited
GB815924A
Cited
US3114695A
Cited
US3130006A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |