US2835390A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid strainers
Assignee: Individual
•
Filing: 1954-09-27
•
Granted: 1958-05-20
•
Expires: 1974-09-27
Abstract
No abstract record available.
Inventors
- 👤 William R King
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:07
CPC Classifications
E; E03; E03B; E03B7/00; E03B7/07; E03B7/074; B; B01; B01D; B01D29/00; B01D29/11; B01D29/13; B01D29/23; B01D29/25; B01D29/62; B01D29/66; B01D29/68; B01D29/682; B01D29/684; F; F16; F16L; F16L55/00; F16L55/24; B01D2201/00; B01D2201/08; B01D2201/081; B01D2201/082
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1130725A
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US1340599A
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US1510863A
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US1508480A
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US1819602A
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US2066479A
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US1950466A
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US1945839A
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US2173060A
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US2606663A
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US2714511A
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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) | 1961-05-19 | 1961-11-18 | 1962-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-19 | 1965-11-18 | 1966-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-19 | 1969-11-18 | 1970-05-20 | $7700.00 | Window Closed / Lapsed |