US2492628A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple valve arrangement
Assignee: Bendix Aviation Corp
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Filing: 1944-06-17
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Granted: 1949-12-27
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Expires: 1964-06-17
Abstract
No abstract record available.
Inventors
- 👤 George A Goepfrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:29
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F16K31/0644; F16K31/0655; F15; F15B; F15B11/00; F15B11/006; F15B13/00; F15B13/02; F15B13/04; F15B13/0401; F15B13/0405; F15B13/044; F15B2211/00; F15B2211/30; F15B2211/305; F15B2211/30505; F15B2211/3056; F15B2211/30565; F15B2211/30575; F15B2211/315; F15B2211/31505; F15B2211/31511; F15B2211/3157; F15B2211/31576; F15B2211/32; F15B2211/327; F15B2211/40; F15B2211/45; F15B2211/60; F15B2211/625; F15B2211/70; F15B2211/705; F15B2211/7051; F15B2211/7053; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87169; Y10T137/87217
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1722920A
Cited
US1684033A
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US1786402A
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US2057088A
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US2289567A
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US2238768A
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US2339353A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-26 | 1953-06-27 | 1953-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-26 | 1957-06-27 | 1957-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-26 | 1961-06-27 | 1961-12-27 | $7700.00 | Window Closed / Lapsed |