US3606166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic fire extinguishing system
Assignee: Individual
•
Filing: 1970-03-30
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Granted: 1971-09-20
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Expires: 1990-03-30
Abstract
Abstract WATER FLOW UNDER PRESSURE THROUGH A DISTRIBUTION TUBE IN A GIVEN AXIAL DIRECTION IS DISCHARGED AS A MIST INTO THE ATMOSPHERE THROUGH RELATIVELY SMALL BORES IN THE WALL OF THE TUBE WITH THE BORES DIRECTED CONTRARY DIRECTION AT AN ANGLE OF 6* TO 14* FROM THE AXIS OF THE TUBE. A THEMOSTAT TO DETECT A FIRE CONTROLS THE SUPPLY OF PRESSURIZED WATER TO THE DISTRIBUTION TUBE.
Inventors
- 👤 Alfred L Whear
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:15
CPC Classifications
A; A62; A62C; A62C35/00; A62C35/58; A62C35/60; A62C35/605
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) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |