US2519967A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carbon dioxide fire extinguisher
Assignee: Individual
•
Filing: 1944-08-22
•
Granted: 1950-08-22
•
Expires: 1964-08-22
Abstract
No abstract record available.
Inventors
- 👤 Charles L Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:55
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)
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US344319A
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US1484005A
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US1723530A
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US1968825A
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US1879228A
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US2016113A
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US2109966A
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US2242399A
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US2139634A
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US2218855A
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US2238686A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-21 | 1954-02-20 | 1954-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-21 | 1958-02-20 | 1958-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-21 | 1962-02-20 | 1962-08-22 | $7700.00 | Window Closed / Lapsed |