US3555885A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fire-fighting foam portable test kit
Assignee: United States Department of the Navy
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Filing: 1969-07-14
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Granted: 1971-01-19
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Expires: 1989-07-14
Abstract
Abstract A PORTABLE TEST KIT FOR EVALUATING THE CONDITION OF FIRE-FIGHTING FOAM INCLUDING A CARRYING CASE HAVING A CLEAR PLASTIC INNER DOOR, A CENTRIFUGE MOUNTED IN THE CASE, TIMING DEVICES, A MIXER, A STRAINER, ASSORTED BEAKERS, AND RELATED EQUIPMENT. A MICROSWITCH IS MOUNTED IN THE CASE SO THAT THE CENTRIFUGE CANNOT BE OPERATED UNLESS THE CLEAR PLASTIC INNER DOOR IS CLOSED.
Inventors
- 👤 Carmelo Morales
- 👤 John J D Ambrosio
- 👤 Ira Wilder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:37
CPC Classifications
G; G01; G01N; G01N33/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |