US2774625A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus utilizing detonation waves for spraying powders
Assignee: Union Carbide Corp
•
Filing: 1954-10-21
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Granted: 1956-12-18
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Expires: 1974-10-21
Abstract
No abstract record available.
Inventors
- 👤 George P Hawley
- 👤 Edward T Tune
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:55
CPC Classifications
B; B05; B05B; B05B7/00; B05B7/14; B05B7/1404; B05B7/0006; B24; B24C; B24C5/00; C; C23; C23C; C23C4/00; C23C4/12; C23C4/126
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB553099A
Cited
US2374816A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-18 | 1960-06-18 | 1960-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-18 | 1964-06-18 | 1964-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-18 | 1968-06-18 | 1968-12-18 | $7700.00 | Window Closed / Lapsed |