US2421778A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Initiating explosives
Assignee: Olin Industries Inc
•
Filing: 1943-12-24
•
Granted: 1947-06-10
•
Expires: 1963-12-24
Abstract
No abstract record available.
Inventors
- 👤 Fleischer Joseph
- 👤 Jerome G Burtle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:47
CPC Classifications
C; C06; C06B; C06B35/00; C06B21/00; C06B21/0033; C06B21/0066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB142898A
Cited
US1353805A
Cited
FR536407A
Cited
GB180605A
Cited
US2000995A
Cited
US2001212A
Cited
DE640903C
Cited
US2341262A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-06-09 | 1950-12-09 | 1951-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-06-09 | 1954-12-09 | 1955-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-06-09 | 1958-12-09 | 1959-06-10 | $7700.00 | Window Closed / Lapsed |