US2486624A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Discharge apparatus for firefighting with carbon dioxide
Assignee: Cardox Corp
•
Filing: 1945-11-21
•
Granted: 1949-11-01
•
Expires: 1965-11-21
Abstract
No abstract record available.
Inventors
- 👤 Hilding V Williamson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:12
CPC Classifications
A; A62; A62C; A62C99/00; A62C99/0009; A62C99/0018; A62C99/0027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1827157A
Cited
US1877388A
Cited
US2216072A
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US2357039A
Cited
US2357040A
Cited
US2322758A
Cited
US2387935A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-31 | 1953-05-02 | 1953-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-31 | 1957-05-02 | 1957-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-31 | 1961-05-02 | 1961-11-01 | $7700.00 | Window Closed / Lapsed |