Patent US2806249A successfully refreshed from Google Patents.
US2806249A
Expired / Lapsed
US
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Apparatus for making a composition containing covered particles
Assignee: Individual
•
Filing: 1953-01-26
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Granted: 1957-09-17
•
Expires: 1973-01-26
Abstract
No abstract record available.
Inventors
- 👤 Burnie J Craig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:18
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/03; B29C48/13; B29C48/09; B29C48/12; B29C48/15
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1196648A
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US1681566A
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US1650687A
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US1649892A
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US1758946A
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US1854100A
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US1978163A
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US2216832A
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US2317331A
Cited
US2561392A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-16 | 1961-03-18 | 1961-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-16 | 1965-03-18 | 1965-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-16 | 1969-03-18 | 1969-09-17 | $7700.00 | Window Closed / Lapsed |