Patent US3193100A successfully refreshed from Google Patents.
US3193100A
Expired / Lapsed
US
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Liquid filter system
Assignee: A E BROUGHTON AND CO Inc
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Filing: 1960-08-24
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Granted: 1965-07-06
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Expires: 1980-08-24
Abstract
No abstract record available.
Inventors
- 👤 Arthur E Broughton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:06
CPC Classifications
B; B01; B01D; B01D29/00; B01D29/11; B01D29/114; B01D29/60; B01D29/606; B01D29/62; B01D29/66; B01D29/668; B01D29/96; B01D35/00; B01D35/12; B01D35/14; B01D35/143; B01D35/153; B01D35/30; B01D35/301; B01D35/303; B01D2201/00; B01D2201/28; B01D2201/287; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7876; Y10T137/7898; Y10T137/7903
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US802714A
Cited
US830046A
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US1627186A
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US1943811A
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US2068468A
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US2017350A
Cited
US2525000A
Cited
US2907491A
Cited
US3015279A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |