Patent US3572510A successfully refreshed from Google Patents.
US3572510A
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Liquid-fuel monitor filter
Assignee: SAMUEL J LYDA
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Filing: 1969-04-24
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Granted: 1971-03-30
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Expires: 1989-04-24
Abstract
Abstract An improved filter device employing organic water-soluble resin as the filter material for effectively removing free-water and other contaminants from liquid hydrocarbon fuels and other organic liquids. Also acts as a monitor to completely shut off liquid flow when excessive free-water contaminant is present and the device has filtered to its capacity.
Inventors
- 👤 Samuel J Lyda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:03
CPC Classifications
B; B01; B01D; B01D17/00; B01D17/02; B01D17/0202; F; F02; F02M; F02M37/00; F02M37/22; F02M37/24; F02M37/26; F02M37/32; F02M37/34; F02B; F02B3/00; F02B3/06
Claims Analysis
Total Claims: 0
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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) | 1974-03-29 | 1974-09-28 | 1975-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-29 | 1978-09-28 | 1979-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-29 | 1982-09-28 | 1983-03-30 | $7700.00 | Window Closed / Lapsed |