Patent US3492147A successfully refreshed from Google Patents.
US3492147A
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US
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Method of coating particulate solids with an infusible resin
Assignee: Halliburton Co
•
Filing: 1964-10-22
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Granted: 1970-01-27
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Expires: 1984-10-22
Abstract
No abstract record available.
Inventors
- 👤 Bill M Young
- 👤 Louis A Weinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:52
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/60; C09K8/80; C09K8/805; C03; C03C; C03C17/00; C03C17/28; C03C17/32; E; E21; E21B; E21B43/00; E21B43/25; E21B43/26; E21B43/267
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-26 | 1973-07-28 | 1974-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-26 | 1977-07-28 | 1978-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-26 | 1981-07-28 | 1982-01-27 | $7700.00 | Window Closed / Lapsed |