US3287094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flame arrester
Assignee: Fisher Industries
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Filing: 1963-09-30
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Granted: 1966-11-22
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Expires: 1983-09-30
Abstract
No abstract record available.
Inventors
- 👤 John E Brownell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:31
CPC Classifications
A; A62; A62C; A62C4/00; A62C4/02; F; F02; F02B; F02B77/00; F02B77/08; F02B77/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A FLAME ARRESTER FOR AN INTERNAL COMBUSTION ENGINE COMPRISING AN ELONGATED ONE PIECE ARRESTER ELEMENT DEFINED BY A PLURALITY OF CONNECTED SECTIONS EACH OF WHICH IS OPPOSITELY FOLDED RELATIVE TO AN ADJACENT SECTION TO FORM A STACKED ARRESTER ELEMENT ASSEMBLY, AND A HOUSING FOR SAID ARRESTER ELEMENT HAVING A CONFIGURATION COMPLEMENTARY THERETO WHEN SAID ELEMENT IS IN THE FOLDED AND NESTED CONDITION, SAID ARRESTER ELEMENT BEING ORIENTED TO TRANVERSE SAID HOUSING SO THAT FLOW THERETHROUGH IS BETWEEN THE SECTIONS IN A DIRECTION SUBSTANTIALLY PARALLEL TO THE FOLDED ENDS OF THE SECTIONS.
Claim 2
Dependent Claim
91 words
A FLAME ARRESTER FOR AN INTERNAL COMBUSTION ENGINE COMPRISING AN ELONGATED ONE PIECE ARRESTER ELEMENT DEFINED BY A PLURALITY OF CONNECTED SECTIONS EACH OF WHICH IS OPPOSITELY FOLDED RELATIVE TO AN ADJACENT SECTION TO FORM A STACKED ARRESTER ELEMENT ASSEMBLY, AND A HOUSING FOR SAID ARRESTER ELEMENT HAVING A CONFIGURATION COMPLEMENTARY THERETO WHEN SAID ELEMENT IS IN THE FOLDED AND NESTED CONDITION, SAID ARRESTER ELEMENT BEING ORIENTED TO TRANVERSE SAID HOUSING SO THAT FLOW THERETHROUGH IS BETWEEN THE SECTIONS IN A DIRECTION SUBSTANTIALLY PARALLEL TO THE FOLDED ENDS OF THE SECTIONS.
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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |