US3142340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fire-fighting foam generator
Assignee: Safety Development Corp
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Filing: 1962-06-29
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Granted: 1964-07-28
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Expires: 1982-06-29
Abstract
No abstract record available.
Inventors
- 👤 Will B Jamison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:53
CPC Classifications
A; A62; A62C; A62C3/00; A62C3/02; A62C3/0207; Y; Y10; Y10S; Y10S261/00; Y10S261/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
APPARATUS FOR GENERATING A FIRE-FIGNTING FOAM PLUG COMPRISING A WIND TUNNEL HAVING AIR-MOVING MEANS AT ONE END THEREOF FOR FORCING AIR AXIALLY THROUGH THE TUNNEL, A FOAM-FORMING NET AT THE OTHER END OF THE TUNNEL, NOZZLE MEANS BETWEEN SAID AIR-MOVING MEANS AND SAID NET FOR SPRAYING A SOLUTION CONTAINING A FORAMING AGENT ONTO THE NET, CLOSURE MEANS FOR THE NET AT SAID OTHER END OF THE TUNNEL FOR PROTECTING SAID NET FROM HEAT BEFORE IT IS SPRAYED WITH SAID SOLUTION, CONDUIT MEANS FOR SUPPLYING SAID SOLUTION TO THE NOZZLE MEANS, AND MEANS OPERABLE WHEN PRESSURE BUILDS UP IN THE CONDUIT MEANS AS LIQUID PASSES THROUGH SAID NOZZLE MEANS FOR OPENING SAID CLOSURE MEANS TO PERMIT THE FOAM PLUG FORMED AT SAID NET TO BE DISCHARGED FROM SAID OTHER END OF THE WIND TUNNEL.
Claim 2
Dependent Claim
133 words
APPARATUS FOR GENERATING A FIRE-FIGNTING FOAM PLUG COMPRISING A WIND TUNNEL HAVING AIR-MOVING MEANS AT ONE END THEREOF FOR FORCING AIR AXIALLY THROUGH THE TUNNEL, A FOAM-FORMING NET AT THE OTHER END OF THE TUNNEL, NOZZLE MEANS BETWEEN SAID AIR-MOVING MEANS AND SAID NET FOR SPRAYING A SOLUTION CONTAINING A FORAMING AGENT ONTO THE NET, CLOSURE MEANS FOR THE NET AT SAID OTHER END OF THE TUNNEL FOR PROTECTING SAID NET FROM HEAT BEFORE IT IS SPRAYED WITH SAID SOLUTION, CONDUIT MEANS FOR SUPPLYING SAID SOLUTION TO THE NOZZLE MEANS, AND MEANS OPERABLE WHEN PRESSURE BUILDS UP IN THE CONDUIT MEANS AS LIQUID PASSES THROUGH SAID NOZZLE MEANS FOR OPENING SAID CLOSURE MEANS TO PERMIT THE FOAM PLUG FORMED AT SAID NET TO BE DISCHARGED FROM SAID OTHER END OF THE WIND TUNNEL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |