US2810631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flash arrester
Assignee: Individual
•
Filing: 1953-08-24
•
Granted: 1957-10-22
•
Expires: 1973-08-24
Abstract
No abstract record available.
Inventors
- 👤 William A Kanenbley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:38
CPC Classifications
A; A62; A62C; A62C4/00; A62C4/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
114 words
A FLASH ARRESTER COMPRISING A BODY HAVING A CHAMBER THEREIN, SAID BODY HAVING AN INLET PASSAGE EXTENDING TO SAID CHAMBER, A FIRST PERFORATE PLATE AND SCREEN ASSEMBLY EXTENDING ACROSS SAID CHAMBER NEAR SAID INLET PASSAGE, A SECOND PERFORATE PLATE AND SCREEN ASSEMBLY SPACED FROM SAID FIRST ASSEMBLY AND EXTENDING ACROSS SAID CHAMBER, A QUANTITY OF FINELY-DIVIDED SILICON CARBIDE IN SAID CHAMBER BETWEEN SAID ASSEMBLIES, BOTH OF SAID ASSEMBLIES HAVING THE PLATES THEREOF MOVABLE INWARDLY IN SAID CHAMBER, A WIRE MASS ABUTTING SAID SECOND PERFORATED PLATE AND COVERING THE PERFORATIONS OF SAID SECOND PLATE, SAID MASS BEING RESILIENT AND PARTICULARLY DISPOSED SO AS TO EXERT ITS RESILIENCY AS A PRESSURE FORCE ON SAID SECOND PLATE.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
US1266665A
Cited
US1407610A
Cited
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Cited
US2391592A
Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-21 | 1961-04-22 | 1961-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-21 | 1965-04-22 | 1965-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-21 | 1969-04-22 | 1969-10-22 | $7700.00 | Window Closed / Lapsed |