Patent US1283825A successfully refreshed from Google Patents.
Patent US2617326A successfully refreshed from Google Patents.
US2617326A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Explosive primer
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1944-07-08
•
Granted: 1952-11-11
•
Expires: 1964-07-08
Abstract
No abstract record available.
Inventors
- 👤 Morris George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:18
CPC Classifications
F; F42; F42B; F42B3/00; F42B3/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE12119C
Cited
US323524A
Cited
DE305140C
Cited
US927968A
Cited
US1331623A
Cited
GB195907A
Cited
US1968565A
Cited
US1950019A
Cited
US2129508A
Cited
US2178723A
Cited
US2207137A
Cited
US2350172A
Cited
GB579281A
Cited
US2541334A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-11 | 1956-05-12 | 1956-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-11 | 1960-05-12 | 1960-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-11 | 1964-05-12 | 1964-11-11 | $7700.00 | Window Closed / Lapsed |