US2863512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flame-trap means for limiting the effects of explosions
Assignee: British Internal Combustion Engine Research Institute
•
Filing: 1956-04-17
•
Granted: 1958-12-09
•
Expires: 1976-04-17
Abstract
No abstract record available.
Inventors
- 👤 Mansfield Wilfred Percival
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:56
CPC Classifications
A; A62; A62C; A62C4/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
FLAME-TRAP COMPRISING A NON-INFLAMMABLE STRUCTURE FORMING A PORTION OF THE BOUNDARY OF AN ENCLOSED SPACE, SAID STRUCTURE BEING PERFORATED FOR THE PASSAGE OF HOT GASES PRODUCED BY THE COMBUSTION OF AIR/FUEL MIXTURES WITHIN SAID SPACE, THE COMBINED AREA OF THE PASSAGEWAY PROVIDED BY SAID PERFORATIONS BEING THAT NECESSARY TO RELIEVE RISING PRESSURE OF THE GASES IN SAID SPACE AT A RATE WHICH PREVENTS THEM REACHING A PRESSURE WHICH WILL DAMAGE THE BOUNDARIES OF SAID SPACE, THE SAID PERFORATED STRUCTURE BEING COATED WITH A VAPOURISABLE SUBSTANCE WHICH, WHEN VAPORISED BY A FLAME, QUENCHES THE LATTER AND THUS PREVENTS ITS PASSAGE BY WAY OF SAID PERFORATIONS.
Claim 2
Dependent Claim
104 words
FLAME-TRAP COMPRISING A NON-INFLAMMABLE STRUCTURE FORMING A PORTION OF THE BOUNDARY OF AN ENCLOSED SPACE, SAID STRUCTURE BEING PERFORATED FOR THE PASSAGE OF HOT GASES PRODUCED BY THE COMBUSTION OF AIR/FUEL MIXTURES WITHIN SAID SPACE, THE COMBINED AREA OF THE PASSAGEWAY PROVIDED BY SAID PERFORATIONS BEING THAT NECESSARY TO RELIEVE RISING PRESSURE OF THE GASES IN SAID SPACE AT A RATE WHICH PREVENTS THEM REACHING A PRESSURE WHICH WILL DAMAGE THE BOUNDARIES OF SAID SPACE, THE SAID PERFORATED STRUCTURE BEING COATED WITH A VAPOURISABLE SUBSTANCE WHICH, WHEN VAPORISED BY A FLAME, QUENCHES THE LATTER AND THUS PREVENTS ITS PASSAGE BY WAY OF SAID PERFORATIONS.
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) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |