Patent US2635641A successfully refreshed from Google Patents.
US2635641A
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US
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Fluid filtering and metering device
Assignee: Bendix Aviation Corp
•
Filing: 1947-12-22
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Granted: 1953-04-21
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Expires: 1967-12-22
Abstract
No abstract record available.
Inventors
- 👤 Kasten Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:26
CPC Classifications
F; F16; F16N; F16N27/00; F16N27/005; B; B01; B01D; B01D35/00; B01D35/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1581998A
Cited
US2042462A
Cited
US2118295A
Cited
US2119288A
Cited
US2265550A
Cited
US2511733A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-20 | 1956-10-20 | 1957-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-20 | 1960-10-20 | 1961-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-20 | 1964-10-20 | 1965-04-21 | $7700.00 | Window Closed / Lapsed |