US2416614A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detonation indicating system
Assignee: Individual
•
Filing: 1943-08-12
•
Granted: 1947-02-25
•
Expires: 1963-08-12
Abstract
No abstract record available.
Inventors
- 👤 Crossley Alfred
- 👤 David L Elam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:18
CPC Classifications
G; G01; G01L; G01L23/00; G01L23/22
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1611932A
Cited
US1919948A
Cited
US1917728A
Cited
US1907415A
Cited
US2202900A
Cited
US2039267A
Cited
US2014102A
Cited
US2251973A
Cited
US2086965A
Cited
GB504509A
Cited
US2218642A
Cited
US2275675A
Cited
US2227906A
Cited
US2222172A
Cited
US2291045A
Cited
US2309560A
Cited
US2280740A
Cited
US2340714A
Cited
US2300115A
Cited
US2296092A
Cited
US2366076A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-02-24 | 1950-08-26 | 1951-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-24 | 1954-08-26 | 1955-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-24 | 1958-08-26 | 1959-02-25 | $7700.00 | Window Closed / Lapsed |