US2678732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid strainer
Assignee: Individual
•
Filing: 1949-06-08
•
Granted: 1954-05-18
•
Expires: 1969-06-08
Abstract
No abstract record available.
Inventors
- 👤 Banks John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:35
CPC Classifications
B; B01; B01D; B01D29/00; B01D29/11; B01D29/117; B01D29/118; B01D29/60; B01D29/606; B01D29/62; B01D29/64; B01D29/6469; B01D29/6476; B01D29/88; B01D29/94
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB189818681A
Cited
US788922A
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US1199350A
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US1274940A
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US1438983A
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GB228624A
Cited
US1592149A
Cited
US1671487A
Cited
US2184243A
Cited
US2408741A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-17 | 1957-11-16 | 1958-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-17 | 1961-11-16 | 1962-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-17 | 1965-11-16 | 1966-05-18 | $7700.00 | Window Closed / Lapsed |