Patent US3012677A successfully refreshed from Google Patents.
US3012677A
Expired / Lapsed
US
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Apparatus for filtering lint from a liquid
Assignee: Carrier Corp
•
Filing: 1957-10-03
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Granted: 1961-12-12
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Expires: 1977-10-03
Abstract
No abstract record available.
Inventors
- 👤 Ernest C Hungate
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:24
CPC Classifications
B; B01; B01D; B01D29/00; B01D29/09; B01D29/60; B01D29/605; B01D29/62; B01D29/66; B01D29/68; B01D29/684; B01D29/70; B01D29/88; B01D29/92
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US973697A
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US1411945A
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FR602884A
Cited
US2525516A
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US2665812A
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US2804209A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |