US2559634A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dry powder fire-extinguisher apparatus
Assignee: INTERNAT CHEMICAL EXTINGUISHER
•
Filing: 1947-09-02
•
Granted: 1951-07-10
•
Expires: 1967-09-02
Abstract
No abstract record available.
Inventors
- 👤 Jr Michael E Keefe
- 👤 Ida K Keefe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:17
CPC Classifications
A; A62; A62C; A62C13/00; A62C13/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US778439A
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US1347358A
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GB236072A
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US1827723A
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US1877649A
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US1898354A
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US1998593A
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US1889163A
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US2044438A
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US2090279A
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US2327337A
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US2338313A
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US2441700A
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US2430470A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-09 | 1955-01-08 | 1955-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-09 | 1959-01-08 | 1959-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-09 | 1963-01-08 | 1963-07-10 | $7700.00 | Window Closed / Lapsed |