Patent US2806254A successfully refreshed from Google Patents.
US2806254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a composition of independently covered particles
Assignee: Individual
•
Filing: 1953-01-26
•
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
2026-11-03 22:22
CPC Classifications
B; B29; B29C; B29C43/00; B29C43/22; B29C31/00; B29C31/04; B29C48/00; B29C48/03; B29C48/07; B29C48/15; Y; Y10; Y10T; Y10T428/00; Y10T428/25; Y10T428/253; Y10T428/31504; Y10T428/3167
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1689584A
Cited
US1758946A
Cited
US1854100A
Cited
US1952528A
Cited
US2054210A
Cited
US2121810A
Cited
US2365508A
Cited
US2631355A
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 |