US2441248A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fast burning delay fuze
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1942-11-20
•
Granted: 1948-05-11
•
Expires: 1962-11-20
Abstract
No abstract record available.
Inventors
- 👤 Morris George
- 👤 Louden John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:18
CPC Classifications
F; F42; F42C; F42C19/00; F42C19/08; F42C19/10; C; C06; C06C; C06C5/00; C06C5/06; F42C19/0803; F42C19/0815; F42C9/00; F42C9/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1253947A
Cited
US2116514A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-11 | 1951-11-10 | 1952-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-11 | 1955-11-10 | 1956-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-11 | 1959-11-10 | 1960-05-11 | $7700.00 | Window Closed / Lapsed |