US3549585A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Kaolin modified plastic molding compounds
Assignee: Georgia Kaolin Co
•
Filing: 1969-03-28
•
Granted: 1970-12-22
•
Expires: 1989-03-28
Abstract
No abstract record available.
Inventors
- 👤 David H Solomon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:17
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/34; C08K3/346; C08K9/00; C08K9/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3218279A
Cited
US2999080A
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US3161618A
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US3085080A
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US3300326A
Cited
US3290164A
Cited
US3303035A
Cited
US3341340A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-21 | 1974-06-22 | 1974-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-21 | 1978-06-22 | 1978-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-21 | 1982-06-22 | 1982-12-22 | $7700.00 | Window Closed / Lapsed |