US2450882A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detonation suppression system
Assignee: Unisys Corp
•
Filing: 1944-03-22
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Granted: 1948-10-12
•
Expires: 1964-03-22
Abstract
No abstract record available.
Inventors
- 👤 Philip J Costa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:08
CPC Classifications
F; F02; F02M; F02M21/00; F02M2700/00; F02M2700/13; F02M2700/1394
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1845151A
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US1907415A
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US2202900A
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US2192863A
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US2220558A
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US2275675A
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US2319219A
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US2340714A
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GB552098A
Cited
GB553523A
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US2337522A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-10-12 | 1952-04-12 | 1952-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-12 | 1956-04-12 | 1956-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-12 | 1960-04-12 | 1960-10-12 | $7700.00 | Window Closed / Lapsed |