Patent US3186148A successfully refreshed from Google Patents.
US3186148A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Renewable pack fluid filter
Assignee: Individual
•
Filing: 1961-07-24
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Granted: 1965-06-01
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Expires: 1981-07-24
Abstract
No abstract record available.
Inventors
- 👤 Wallace D Merrill
- 👤 John A Haslett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:04
CPC Classifications
B; B01; B01D; B01D35/00; B01D35/14; B01D36/00; B01D36/001
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A FLUID FILTER HAVING A TUBULAR BODY WITH AT LEAST ONE OPEN END, AND INCLUDING, AT LEAST ONE POROUS BAG OF GRANULAR FILTERING MATERIAL SLIDABLY ENTERED INTO THE BODY, INLET AND OUTLET FLUID FLOW LINES OPENING INTO OPPOSITE END OF THE BODY, SAID FLUID FLOW LINE AT SAID ONE OPEN END OF THE BODY BEING DISPOSED LATERALLY OF THE BODY AND SPACED INWARD FROM THE OPEN END OF THE BODY, A REMOVABLE PLATE OVERLYING THE END OF THE BODY, AND A TUBULAR LINER CARRIED BY AND PROJECTING INWARDLY FROM THE PLATE AND ENTERING THE BODY TO TERMINATE INWARDLY OF THE SAID FLOW LINE, AND A SCREEN AT THE INNER END OF THE LINER ENGAGING THE BAG OF FILTERING MATERIAL TO POSITION THE SAME IN THE BODY, THERE BEING MEANS TO SEAL THE PLATE WITH THE END OF THE BODY OUTWARD OF SAID LATERALLY DISPOSED FLOW LINE.
Claim 2
Dependent Claim
146 words
A FLUID FILTER HAVING A TUBULAR BODY WITH AT LEAST ONE OPEN END, AND INCLUDING, AT LEAST ONE POROUS BAG OF GRANULAR FILTERING MATERIAL SLIDABLY ENTERED INTO THE BODY, INLET AND OUTLET FLUID FLOW LINES OPENING INTO OPPOSITE END OF THE BODY, SAID FLUID FLOW LINE AT SAID ONE OPEN END OF THE BODY BEING DISPOSED LATERALLY OF THE BODY AND SPACED INWARD FROM THE OPEN END OF THE BODY, A REMOVABLE PLATE OVERLYING THE END OF THE BODY, AND A TUBULAR LINER CARRIED BY AND PROJECTING INWARDLY FROM THE PLATE AND ENTERING THE BODY TO TERMINATE INWARDLY OF THE SAID FLOW LINE, AND A SCREEN AT THE INNER END OF THE LINER ENGAGING THE BAG OF FILTERING MATERIAL TO POSITION THE SAME IN THE BODY, THERE BEING MEANS TO SEAL THE PLATE WITH THE END OF THE BODY OUTWARD OF SAID LATERALLY DISPOSED FLOW LINE.
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Cited
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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) | 1968-05-31 | 1968-11-30 | 1969-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-31 | 1972-11-30 | 1973-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-31 | 1976-11-30 | 1977-06-01 | $7700.00 | Window Closed / Lapsed |