US3018896A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid propelling and filtering apparatus
Assignee: Individual
•
Filing: 1958-03-12
•
Granted: 1962-01-30
•
Expires: 1978-03-12
Abstract
No abstract record available.
Inventors
- 👤 Gewiss Lucien Victor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:30
CPC Classifications
B; B01; B01D; B01D46/00; B01D46/24; B01D46/26; B01D33/00; B01D33/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US302163A
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US1025059A
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US1273791A
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GB297510A
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AT126226B
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GB532467A
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US2272746A
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CH218022A
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US2706016A
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US2655310A
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US2824622A
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FR1094978A
Cited
US2782933A
Cited
US2795291A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-29 | 1965-07-31 | 1966-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-29 | 1969-07-31 | 1970-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-29 | 1973-07-31 | 1974-01-30 | $7700.00 | Window Closed / Lapsed |